About Anal Cancer. Get an overview of anal cancer and the latest key statistics in the US. Causes, Risk Factors, and Prevention. Learn about the risk factors for anal cancer and what you might be able to do to help lower your risk. Early Detection, Diagnosis, and Staging.
Anal cancer is a cancer (malignant tumor) which arises from the anus, the distal opening of the gastrointestinal tract. It is a distinct entity from the more common colorectal cancer. Anal cancer is typically an anal squamous cell carcinoma that arises near the squamocolumnar junction, often linked to human papillomavirus (HPV) infection. It.
The American Cancer Society estimates that 7, cases of anal cancer will be diagnosed in and about deaths will occur that year from anal cancer. By contrast, some , people are.