Ulcerogenic tumors of the duodenum.
D000230:Adenocarcinoma; D007516:Adenoma, Islet Cell; D004379:Duodenal Neoplasms; D004386:Duodenum; D006801:Humans; D008499:Medical Records; D009369:Neoplasms; D010190:Pancreatic Neoplasms; D010437:Peptic Ulcer / Q000150:complications*
ADENOCARCINOMA/case reports; DUODENUM/neoplasms; ISLET CELL TUMOR/case reports; PEPTIC ULCER/complications