Evaluation of Bak expression in breast cancer and non-cancerous breast control tissues.

<p>(A) Representative images of Bak expression with negative (-) (a), weak (+) (b), moderate (++) (c), and strong (+++) (d) staining. Bar = 100μm. (B) Relative score of Bak expression in breast cancer and non-cancerous breast control tissue. N, non-cancerous; T, tumor tissue; n, number of case.