Massive lower gastrointestinal hemorrhage secondary to colonic varices.
D003106:Colon / Q000098:blood supply*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008104:Liver Cirrhosis, Alcoholic / Q000150:complications; D008875:Middle Aged; D012007:Rectum; D014648:Varicose Veins / Q000150:complications*