Fig. 2From: Prognostic values of negative estrogen or progesterone receptor expression in patients with luminal B HER2-negative breast cancer a Overall survivals of low and high Bcl-2 expression group in the luminal B HER-2-negative breast cancer (p < 0.0001). b Disease-free survivals of low and high Bcl-2 expression group in the luminal B HER-2-negative breast cancer (p = 0.0007) (Additional file 1)Back to article page