Fig. 2

a Representive photomicrographs of the prostate cancer (hematoxylin-eosin staining: magnification, × 200). Glandular fusion is the hallmark feature of a Gleason score of 8. The image shows fused glands forming anastomosing irregular cords separated by small amounts of stroma. b Estrogen receptor-positive: 3%; (c) Progesterone receptor-negative: 0%; (d) Androgen receptor-positive: 95%