Background: The aim of the study was to evaluate the efficacy of adjuvant chemotherapy on survival after resection for gastric cancer.
Methods: Patients were enrolled if they underwent resection of gastric cancer but had lymph node or serosal involvement or both. Surgical resection was either total or partial gastrectomy according to the site of the tumor, and surgeons were allowed to perform either D1 or D2 gastrectomy.