HEMORRHAGIC RECTOCOLITIS, X-RAY. HEMORRHAGIC RECTOCOLITIS, X-RAY Ulcerative colitis is an inflammatory disease of the large bowel and rectum. The principle signs are bloody stools and mucoid anal discharge, associated with abdominal pain and fever. The x-ray of the abdomen visualizes an alteration of the large bowel. The borders of the bowel appear indistinct and smooth, sometimes with a long narrow section, as seen here in the descending colon. Treatment includes fiber-rich diet and medicati