High grade dysplasia and intra-mucosal carcinoma in small intestine, probably related to inflammatory bowel disease....

A Marjolin's ulcer in a burn patient. In fact, Marjolin really didn't describe this condition, but it refers to carcinoma (usually...

This pancreatic ductal adenocarcinoma shows nuclear loss of DPC4/SMAD4 by immunohistochemical staining. The helpful finding is only...