Fig. 1

Kaplan-Meier overall survival for patients undergoing gastrectomy with D1/D1+ or D2 lymphadenectomy. a Before propensity score matching. b After propensity score matching (PSM). *p < 0.05
Kaplan-Meier overall survival for patients undergoing gastrectomy with D1/D1+ or D2 lymphadenectomy. a Before propensity score matching. b After propensity score matching (PSM). *p < 0.05