Figure 1

Immunohistochemical expression of Bcl-2 protein in breast cancer. A: a case with a normal expression of Bcl-2 protein in breast cancer cells. B: a case with a decreased expression of Bcl-2 protein, in which the expression of Bcl-2 protein of breast cancer cells decreased in comparison to a normal expression of Bcl-2 protein in normal mammary gland.