Male on his 30, presenting with obstruction symptoms. Intraoperative findings are sigmoid volvulus. Hartmann's procedure was chosen. In Volvulus, obstruction caused by twisting of the intestines more than 180 degrees. 1-5% of large bowel obstructions, sigmoid involved in up to 90% of cases. Radiographic features are "bent inner tube" appearance, dilated sigmoid loop with limb pointing towards the RLQ, "coffee bean" appearance with central doubled wall component, on Bird's beak on barium enema.