Rectally palpable aneurysm as a cause of bleeding per rectum.
D000783:Aneurysm; D006471:Gastrointestinal Hemorrhage; D006470:Hemorrhage; D006801:Humans; D007083:Iliac Artery; D012007:Rectum
ANEURYSM; HEMORRHAGE, GASTROINTESTINAL; ILIAC ARTERY