Fig. 2From: Prognostic and predictive value of androgen receptor expression in postmenopausal women with estrogen receptor-positive breast cancer: results from the Breast International Group Trial 1–98Kaplan-Meier estimate of breast cancer-free interval by tumor AR expression. AR expression is defined as ≥ 1% positive, < 1% negative. P value from log-rank test is 0.12Back to article page