title: The role of cryotherapy in management of anorectal disease: Whate are hemorrhoids?
mesh_terms: D001158:Arteries / Q000473:pathology; D006484:Hemorrhoids / Q000000981:diagnostic imaging / Q000473:pathology*; D006801:Humans; D008722:Methods; D011859:Radiography; D014680:Veins / Q000473:pathology