Fig 1: Immunohistochemical staining. Healthy tissue (A), BPH (B), PC (C). 1, H&E (1A, 1B, 1C ×50 magnification); 2, uPA; 3, ENO1; 4, PSMA; 5, Ki-67; 6, IgG. A, B, C, ×200 magnification; insets, ×400 magnification. Five patients from each group were analyzed. A representative slide is presented.