Figure 1.

Immunohistochemical expression of p501s on benign and malignant epithelium of prostate and non-prostatic tissues. A. Non-neoplastic prostatic tissue adjacent to malignant glands (NNT). B. Benign prostatic hyperplasia. C. High-grade prostatic intraepithelial neoplasia (PIN). D. Prostatic adenocarcinoma (PCA).