Fig. 3

Kaplan-Meier disease-free survival for patients undergoing gastrectomy with D1/D1+ or D2 lymphadenectomy. a Before propensity score matching. b After propensity score matching (PSM)
Kaplan-Meier disease-free survival for patients undergoing gastrectomy with D1/D1+ or D2 lymphadenectomy. a Before propensity score matching. b After propensity score matching (PSM)