Neoadjuvant Nivolumab and Ipilimumab in Resectable Stage III Melanoma.

Autor: Blank CU; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Lucas MW; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Scolyer RA; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., van de Wiel BA; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Menzies AM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Lopez-Yurda M; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Hoeijmakers LL; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Saw RPM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Lijnsvelt JM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Maher NG; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Pulleman SM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Gonzalez M; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Torres Acosta A; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., van Houdt WJ; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Lo SN; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Kuijpers AMJ; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Spillane A; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Klop WMC; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Pennington TE; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Zuur CL; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Shannon KF; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Seinstra BA; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Rawson RV; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Haanen JBAG; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Ch'ng S; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Naipal KAT; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Stretch J; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., van Thienen JV; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Rtshiladze MA; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Wilgenhof S; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Kapoor R; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Meerveld-Eggink A; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Grijpink-Ongering LG; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., van Akkooi ACJ; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Reijers ILM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Gyorki DE; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Grünhagen DJ; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Speetjens FM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Vliek SB; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Placzke J; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Spain L; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Stassen RC; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Amini-Adle M; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Lebbé C; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Faries MB; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Robert C; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Ascierto PA; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., van Rijn R; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., van den Berkmortel FWPJ; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Piersma D; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., van der Westhuizen A; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Vreugdenhil G; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Aarts MJB; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Stevense-den Boer MAM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Atkinson V; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Khattak M; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Andrews MC; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., van den Eertwegh AJM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Boers-Sonderen MJ; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Hospers GAP; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Carlino MS; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., de Groot JB; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Kapiteijn E; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Suijkerbuijk KPM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Rutkowski P; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Sandhu S; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., van der Veldt AAM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.)., Long GV; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).

Publikováno v: The New England journal of medicine [N Engl J Med] 2024 Nov 07; Vol. 391 (18), pp. 1696-1708. Date of Electronic Publication: 2024 Jun 02.

Weakly supervised deep learning image analysis can differentiate melanoma from naevi on haematoxylin and eosin-stained histopathology slides.

Autor: Maher NG; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia.; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia.; Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital and NSW Health Pathology, Sydney, New South Wales, Australia., Danaei Mehr H; Centre for Health Informatics, Australian Institute of Health Innovation, Macquarie University, Sydney, New South Wales, Australia., Cong C; Centre for Health Informatics, Australian Institute of Health Innovation, Macquarie University, Sydney, New South Wales, Australia., Adegoke NA; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia.; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia.; Charles Perkins Centre, The University of Sydney, Sydney, New South Wales, Australia., Vergara IA; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia.; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia.; Charles Perkins Centre, The University of Sydney, Sydney, New South Wales, Australia., Liu S; Centre for Health Informatics, Australian Institute of Health Innovation, Macquarie University, Sydney, New South Wales, Australia., Scolyer RA; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia.; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia.; Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital and NSW Health Pathology, Sydney, New South Wales, Australia.; Charles Perkins Centre, The University of Sydney, Sydney, New South Wales, Australia.

Publikováno v: Journal of the European Academy of Dermatology and Venereology : JEADV [J Eur Acad Dermatol Venereol] 2024 Dec; Vol. 38 (12), pp. 2250-2258. Date of Electronic Publication: 2024 Aug 31.

Prognostic and predictive biomarkers in melanoma.

Autor: Maher NG; Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia; Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital and NSW Health Pathology, Sydney, NSW, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia., Vergara IA; Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia; Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia., Long GV; Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia; Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia; Royal North Shore and Mater Hospitals, Sydney, NSW, Australia., Scolyer RA; Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia; Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital and NSW Health Pathology, Sydney, NSW, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia; Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia. Electronic address: richard.scolyer@health.nsw.gov.au.

Publikováno v: Pathology [Pathology] 2024 Mar; Vol. 56 (2), pp. 259-273. Date of Electronic Publication: 2023 Dec 20.

Genomic Profiling of Metastatic Basal cell Carcinoma Reveals Candidate Drivers of Disease and Therapeutic Targets.

Autor: Vergara IA; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Charles Perkin Centre, The University of Sydney, Sydney, NSW, Australia., Aivazian K; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital and NSW Health Pathology, Sydney, NSW, Australia., Carlino MS; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Department of Medicine, Blacktown Hospital, Blacktown, New South Wales, Australia; Department of Medicine, Crown Princess Mary Cancer Centre, Westmead Hospital, Sydney, New South Wales, Australia., Guminski AD; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Royal North Shore and Mater Hospitals, Sydney, NSW, Australia., Maher NG; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital and NSW Health Pathology, Sydney, NSW, Australia., Shannon KF; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia., Ch'ng S; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia., Saw RPM; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia., Long GV; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Charles Perkin Centre, The University of Sydney, Sydney, NSW, Australia; Royal North Shore and Mater Hospitals, Sydney, NSW, Australia., Wilmott JS; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Charles Perkin Centre, The University of Sydney, Sydney, NSW, Australia., Scolyer RA; Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Charles Perkin Centre, The University of Sydney, Sydney, NSW, Australia; Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital and NSW Health Pathology, Sydney, NSW, Australia. Electronic address: richard.scolyer@health.nsw.gov.au.

Publikováno v: Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc [Mod Pathol] 2023 Apr; Vol. 36 (4), pp. 100099. Date of Electronic Publication: 2023 Jan 10.

Detection of desmoplastic melanoma with dermoscopy and reflectance confocal microscopy.

Autor: Maher NG; Melanoma Institute Australia, Sydney, NSW, Australia.; The University of Sydney, Sydney, NSW, Australia., Solinas A; Melanoma Institute Australia, Sydney, NSW, Australia.; Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Sydney, NSW, Australia., Scolyer RA; Melanoma Institute Australia, Sydney, NSW, Australia.; The University of Sydney, Sydney, NSW, Australia.; Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Sydney, NSW, Australia., Puig S; Melanoma Unit, Dermatology Department, Hospital Clinic of Barcelona, IDIBAPS, Barcelona, Spain., Pellacani G; Department of Dermatology, University of Modena and Reggio Emilia, Modena, Italy., Guitera P; Melanoma Institute Australia, Sydney, NSW, Australia.; The University of Sydney, Sydney, NSW, Australia.; Sydney Melanoma Diagnostic Centre, Royal Prince Alfred Hospital, Sydney, NSW, Australia.

Publikováno v: Journal of the European Academy of Dermatology and Venereology : JEADV [J Eur Acad Dermatol Venereol] 2017 Dec; Vol. 31 (12), pp. 2016-2024. Date of Electronic Publication: 2017 Jul 03.