Anal cancer is a type of cancer that forms in tissues of the anus. The anus is the opening of the rectum to the outside of the body and at the end of the GI tract. Sometimes anal cancer causes no symptoms at all. But bleeding is often the first sign of the disease. The bleeding is usually minor.
Back to Health A to Z. Anal cancer is a rare type of cancer that affects the anus the end of the bowel. The symptoms of anal cancer are often similar to more common and less serious conditions affecting the anus, such as piles haemorrhoids and small tears or sores called anal fissures. See a 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. They may feel your tummy and carry out a rectal examination. This involves your doctor inserting a gloved finger into your bottom so they can feel any abnormalities.
Skip to Content. Use the menu to see other pages. People with anal cancer may experience the following symptoms or signs. Sometimes, people with anal cancer do not have any of these changes. Or, the cause of a symptom may be a different medical condition that is not cancer.
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. Anal cancer is cancer affecting the tissues of the anus. Our body constantly makes new cells to help us grow, replace worn-out tissue and heal injuries.