Fig. 2From: Prognostic value of estrogen receptor-α and progesterone receptor in curatively resected colorectal cancer: a retrospective analysis with independent validationsKaplan-Meier survival curves of overall survival for the patients with CRC patients. a Internal validation cohort for high ER-α expression group and low expression group, b External validation cohort for high ER-α expression group and low expression groupBack to article page