title: Primary carcinoma of the distal duodenum.
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D004379:Duodenal Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D004386:Duodenum / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography