This management guide covers the risk factors, symptoms, diagnosis, staging, and treatment of colorectal and anal cancers.

Dr. Khawaja Azimuddin, Dr. Tal Raphaeli, Dr. Jean Knapps, Board Certified General and Colon Rectal Surgery in Houston Texas.

What is a perianal abscess? A perianal abscess is an infection in a mucous-secreting gland in the anal canal around your anus. What is a perianal fistula?

Structure. The rectum is a component of the lower gastrointestinal tract. The rectum is a continuation of the sigmoid colon, and connects to the anus.

Reference: Tagart REB. The Anal Canal and Rectum: Their Varying Relationship and Its Effect on Anal Continence, Diseases of the Colon and Rectum 1966: 9, 449-452.

Hemorrhoids are a collection of arteries, veins, nerves and connective tissue located around the anal opening. Tailbone pain is a common hemorrhoidal symptom.

» Anal Intraepithelial Neoplasia (AIN) | Colorectal Surgeons Sydney provide specialist colorectal surgery & bowel cancer screening including colonoscopy. Dr Gary

Anal stenosis means that the anal opening is too small or does not relax or open properly. This may be treated with surgery that enlarges the anal opening.

What are anal warts? Anal warts, also known as condyloma, are growths found on the skin around the anus (rectal opening) or in the lower rectum.

The large intestine, also known as the large bowel or colon, is the last part of the gastrointestinal tract and of the digestive system in vertebrates.