according to the american cancer society, women with a history of cervical cancer (or pre-cancer) have an increased risk of anal cancer. There are many different types of hpv, most are harmless, some cause genital warts, and others can cause cancer. Of the different types of hpv, type 16 is the most common in anal cancer. People who have anal intercourse may have an increased risk of anal cancer. Receiving anal sex is strongly related to your risk of getting anal cancer. Anal cancer is treated conventionally with chemotherapy and radiation and doesnt usually require surgery, i. See also marcia cross anal cancer likely linked to husbands. Hpv is associated with a number of cancers in both women and men, including anal cancer. Anal cancer risk is associated with the practice of unprotected anal sex. Thats in large part because of the potential for hpv infection during anal sex. Most anal cancers seem to be linked to infection with the human papillomavirus (hpv). While hpv infection seems to be important in the development of anal cancer, the vast majority of people with hpv infections do not get anal cancer. A great deal of research is now being done to learn how hpv might cause anal cancer. Anal cancer is a rare form of cancer that affects the tissues of the anus. We explain what you need to know about its causes and how its diagnosed. Anal cancer is an uncommon malignancy that starts in the anus-- the opening at the end of the rectum. The american society of clinical oncology estimates that 8,300 cases of anal cancer will be.