title: Colonic varices: an unusual source of lower gastrointestinal hemorrhage.
mesh_terms: D000328:Adult; D003106:Colon / Q000098:blood supply*; D004108:Dilatation, Pathologic; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008103:Liver Cirrhosis / Q000150:complications; D008642:Mesenteric Veins / Q000601:surgery; D011167:Portacaval Shunt, Surgical; D014648:Varicose Veins / Q000150:complications*