Fig. 3

Stratification of survival curves by rs2228226 in relation to postoperative chemotherapy. A, B Kaplan–Meier curves for DFS and OS in patients receiving surgery and postoperative adjuvant chemotherapy, stratified by rs2228226. C, D Kaplan–Meier curves for DFS and OS in surgery-only patients, stratified by rs2228226. The log-rank test was used to calculate the P-value