Fig. 1

Survival curves of female patients with breast cancer at different stages at diagnosis or of different molecular subtypes. a Overall survival curves of patients according to tumor stage. b Cancer-specific survival curves of patients according to tumor stage. c Overall survival curves of patients according to molecular subtype. d Cancer-specific survival curves of patients according to molecular subtype. Log-rank test showed significant differences in survival among groups in the four panels (all P < 0.01)