Muscles anal sphincters that surround the anal canal relax to allow waste to leave your body. Anal cancer is an uncommon type of cancer that occurs in the anal canal. The anal canal is a short tube at the end of your rectum through which stool leaves your body. Anal cancer can cause signs and symptoms such as rectal bleeding and anal pain. Most people with anal cancer are treated with a combination of chemotherapy and radiation.
Anal Cancer Early Detection, Diagnosis, and Staging
Prevention Anal cancer occurs in the anus, located at the end of the gastrointestinal tract. It is different from and less common than colorectal cancer, which is cancer of the colon or rectum. Anal cancer is rare, but the number of new cases is rising. According to the American Cancer Society, in , there are likely to be about 8, new cases , of which 5, will affect women and 2, will affect men. Around 1, people are expected to die from anal cancer, including women and men. Various risk factors are linked to anal cancer, but infection with two types of the human papilloma virus HPV appear to underlie 79 percent of cases.
See your GP if you develop any of these symptoms. While they're unlikely to be caused by anal cancer, it's best to get them checked out. Diagnosing anal cancer Your GP will usually ask about your symptoms and carry out some examinations. They may feel your tummy and carry out a rectal examination.
Treatment for anal cancer About the anus The anus is the opening at the end of the bowel. It is made up of the last few centimetres of the bowel anal canal and the skin around the opening anal margin. During a bowel motion, the muscles of the anus sphincters relax to release the solid waste matter known as faeces or stools. What is anal cancer?