Fig. 4: Kaplan–Meier curves between GPER-low and GPER-high groups in high-risk patients.

a Kaplan–Meier curves of RFS, DMFS and OS in LNM (+) patients. b Kaplan–Meier curves of RFS, DMFS and OS in stage III patients. c Kaplan–Meier curves of RFS, DMFS and OS in patients with G3 tumors. Statistically significant differences were defined as P < 0.05.