title: Sigmoid intussusception of a submucous lipoma.
mesh_terms: D000368:Aged; D012809:Colon, Sigmoid; D006801:Humans; D007443:Intussusception / Q000209:etiology*; D008067:Lipoma / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery; D008297:Male; D011859:Radiography; D012811:Sigmoid Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery