A two centers study of postoperative adjuvant chemotherapy with S-1 versus SOX/XELOX regimens for gastric cancer after D2 resection: a cohort study

Objective Currently, radical surgery with D2 lymphadenectomy has become the standard operation mode of patients in East Asian countries who suffer from resectable gastric cancer. Our target is to compare the efficacy of postoperative adjuvant chemotherapy with S-1 versus SOX/XELOX regimens for gastric cancer after D2 resection.