Fig. 3

Biopsy specimen. a Hematoxylin–eosin staining showing poorly differentiated adenocarcinoma. b There was no PSA expression upon IHC. a and b original magnification × 100
Biopsy specimen. a Hematoxylin–eosin staining showing poorly differentiated adenocarcinoma. b There was no PSA expression upon IHC. a and b original magnification × 100