[Gastric polyp simulating duodenal tumor].
D018256:Adenomatous Polyps; D004379:Duodenal Neoplasms; D004386:Duodenum; D006801:Humans; D009369:Neoplasms; D011127:Polyps / Q000000981:diagnostic imaging*; D011859:Radiography; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*
DUODENUM/neoplasms; POLYPI/radiography; STOMACH NEOPLASMS/radiography