Fig. 1From: Molecular essence and endocrine responsiveness of estrogen receptor-negative, progesterone receptor-positive, and HER2-negative breast cancerKaplan-Meier estimates of survival are shown according to ER and PgR status in the four cohorts. (a) Breast cancer-specific survival (BCSS) of cohort 1; (b) Relapse-free survival (RFS) of cohort 2; (c) RFS of cohort 3; (d) Distant relapse-free survival (DRFS) of cohort 4. Log-rank P values are shownBack to article page