Anal cancer is a type of cancer that occurs in the anus, which is the opening at the end of the rectum through which bowel movements pass. The anus is lined with cells called squamous cells, which can become cancerous. Anal cancer is relatively rare, accounting for about 1-2% of all gastrointestinal cancers.
There are several types of anal cancer, including squamous cell carcinoma, adenocarcinoma, and melanoma. Squamous cell carcinoma is the most common type, accounting for about 80-90% of cases. Risk factors for anal cancer include a history of sexually transmitted infections, such as human papillomavirus (HPV) and HIV, smoking, and a weakened immune system. Symptoms of anal cancer may include rectal bleeding, pain or discomfort during bowel movements, and a change in bowel habits. Anal cancer is usually treated with surgery, chemotherapy, and radiation therapy.
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Signs and Symptoms of Anal Cancer
Best Treatment Options for Anal Cancer
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