Significance of histopathological tumor regression after neoadjuvant chemotherapy in gastric adenocarcinomas: a summary of 480 cases

Objective:An increasing number of patients with locally advanced gastric carcinomas (GC) are being treated with preoperative chemotherapy before surgery.Background:Histopathological tumor regression may have an important prognostic impact in addition to the UICC-TNM classification system.Methods:We