Some people have a sigmoid colon that’s a bit longer than usual, which is a normal variation in human anatomy, she adds. “I was always told I had a long colon,” Grenham recalls.
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 ...