Figure 1

Gross features of non-ampullary–duodenal carcinomas: (a) plaque-like growth pattern; and (b) ulcero-plaque-like growth pattern with Crohn’s like features.
Gross features of non-ampullary–duodenal carcinomas: (a) plaque-like growth pattern; and (b) ulcero-plaque-like growth pattern with Crohn’s like features.