Fig. 4

Kaplan-Meier curves with log-rank test for overall survival of the patients with stage IV gastric cancer who treated by gastrectomy following chemotherapy a) by the presence of peritoneal infiltration, b) by extent of gastrecotmy, c) by extent of lymph node dissection, d) by complete macroscopic resection or not, e) by Lauren classification, f) by pathologic T stage, g) by pathologic N stage, h) by post-operative chemotherapy or not