Ischaemic lesions of the colon and rectum.
D000368:Aged; D003108:Colonic Diseases / Q000209:etiology*; D005260:Female; D006801:Humans; D007511:Ischemia / Q000473:pathology; D008297:Male; D008641:Mesenteric Vascular Occlusion / Q000150:complications*; D008875:Middle Aged; D012002:Rectal Diseases / Q000209:etiology*