Ischemic disease of the colon.
D000368:Aged; D001161:Arteriosclerosis / Q000150:complications; D003092:Colitis / Q000000981:diagnostic imaging / Q000209:etiology*; D005260:Female; D006801:Humans; D007511:Ischemia / Q000000981:diagnostic imaging / Q000209:etiology*; D008551:Melena / Q000209:etiology; D008641:Mesenteric Vascular Occlusion / Q000150:complications* / Q000000981:diagnostic imaging; D008875:Middle Aged; D011859:Radiography