The American Society of Colon and Rectal Surgeons has issued updated guidelines for physicians, published in Diseases of the Colon & Rectum, about how to treat problems of the anus and rectum called ...

Many people have small pouches in the lin­ing of the colon, or large intestine, that bulge outward through weak spots. Each pouch is called a diverticulum. Multiple pouches are called diverticula. The ...

An anal abscess is a collection of infected fluid, or pus, around the rectum or anus. Symptoms include pain, inflammation, constipation, and a discharge of pus. Share on Pinterest PER Images/Stocksy ...

An 80-year-old man presented with progressive lower left-quadrant abdominal pain. Imaging studies identified a mass adjacent to the sigmoid colon, with features suggestive of an abscess, although no ...