Gastroduodenal intussusception.
D003937:Diagnosis, Differential; D004378:Duodenal Diseases / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007443:Intussusception / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D011127:Polyps; D011859:Radiography; D013272:Stomach Diseases / Q000000981:diagnostic imaging; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*