Definition of Anal Cancer (rectum)
Anal cancer is a disease in which cells
that are harmful (cancer) form in the tissues of the anus (rectum).
The anus is the end of the large intestine, below the rectum, through which stool (feces) leaves the body. The anus is formed partly from the layers of the outer skin of the body and partly from the intestine. Two muscles such as rings, called sphincter muscles, anal mouth opens and closes to let stool pass out of the body. Anal canal, part of the anus between the rectum and anal mouth, is about 1 ½ inches in length.
The skin around the outside of the anus is called the perianal area. Tumors in this area are skin tumors, not anal cancer.
Risk Factors for Anal Cancer (rectum)
Infected with human papillomavirus (HPV) can affect the risk of developing anal cancer.
These risk factors include the following:
• Aged over 50 years.
• Being infected with human papillomavirus
(HPV).
• Having many sexual partners.
• Having anal intercourse would be accepted.
• Redness, swelling, and anal injuries that often.
• Having anal fistulas (abnormal openings or mouths).
