Information about anal cancer and other topics from the National Cancer Institute Squamous cell carcinoma begins in flat cells lining the anal canal. Nov 13, · The inner lining of the anal canal is the mucosa. Most anal cancers start from cells in the mucosa. Glands and ducts (tubes leading from the glands) are. Anal cancer is usually curable. The three major prognostic factors are site (anal canal vs. perianal skin), size (primary tumors. 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 is slightly more common in women than men. Infection with human papillomavirus (HPV) has been associated with this cancer.
Anal cancer is an uncommon malignancy that starts in the anus-- the opening at the end of the rectum. The American Cancer Society estimates that 8, cases of anal. The different types of anal cancer are based on the type of anal cells in which the cancer develops. Squamous cell carcinoma begins in the outer lining of the anal canal. ANAL CANCER. The anal canal is a short tube surrounded by muscle at the end of your rectum. The rectum is the bottom section of your colon (large intestine).