You may get this test if you have certain gut problems, such as abdominal pain ... through the rectum and pass it into your sigmoid colon. The doctor will use a small amount of air to expand ...

Proctosigmoiditis is a form of left-sided ulcerative colitis that affects the rectum and sigmoid colon rather than a larger area of the colon. It usually causes diarrhea. Proctosigmoiditis affects ...

Griffin was 44 when doctors discovered that a 4.3-centimeter tumor had broken through the wall of her sigmoid colon, the part of the large intestine that connects to the rectum. The Hamilton ...