How is hematochezia associated w/abdominal pain?

⮚ It is rectorrhagia where there is passage of fresh blood through the anus. ⮚ It could be mild or severe: - If it is mild ? it could be due to hemorrhoids, rectal ulcer, or inflammatory bowel disease. - If it is more moderate and massive ? it could be due to diverticulosis (where there is erosion of the artery in the diverticula at the base of the colon causing this passage of fresh blood from anus). - If it is severe (blood clot in the stools) ? it could be huge tumor, vascular ectasia (or telangiectasia), or a huge ulcer