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Jingxuan Xu,* Xiaodong Chen,* Xiang Wang, Ce Zhu, Yuanbo Hu, Xinxin Yang, Chongyong Xu, Xian Shen Department of Gastrointestinal Surgery, The Second Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, People’s Republic of China*These authors contributed equally to this workCorrespondence: Chongyong Xu; Xian ShenDepartment of Gastrointestinal Surgery, The Second Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, People’s Republic of ChinaTel +86 0577 8800 2709Email stony693100@163.com; shenxian5166@gmail.comBackground: Hyponatremia and hypocalcemia are common in patients with cancer, but their prognostic impact in patients who underwent gastric cancer (GC) surgery has not been investigated. Therefore, this study aimed to determine the postoperative prognostic impact of hyponatremia and hypocalcemia in patients undergoing curative gastrectomy by age group.Materials and methods: GC patients preoperatively diagnosed with hyponatremia or hypocalcemia who underwent elective radical gastrectomy were retrospectively evaluated. The patients were divided into the elderly group (≥60 years) and the young group ( |