Left-Sided Colitis: The inflammation extends from the rectum through the sigmoid and descending colon. A subtype, called proctosigmoiditis, affects both the rectum and the sigmoid colon.

How do I know if my polyp is cancerous? During a colonoscopy, polyps are examined carefully to determine whether they’re cancerous or noncancerous using highly accurate advanced endoscopic imaging.

The colon is divided into four sections: the ascending colon, transverse colon, descending colon, and sigmoid colon. It plays a vital role in digestion by aiding nutrient absorption as food passes ...