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Hpv infection can be present for years without causing any symptoms, so the absence of visible warts cant be used to tell if someone has hpv. Even when someone doesnt have warts (or any other symptom), he (or she) can still be infected with hpv and pass it on to somebody else. Anal cancer prevention includes avoiding risk factors like the human papillomavirus (hpv) and taking protective steps like receiving the hpv vaccine. Learn more about preventing anal cancer in this expert-reviewed summary. Learn about the risk factors for anal cancer and what you might be able to do to help lower your risk. A risk factor is anything that affects your chance of getting a disease such as cancer. 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. Anal cancer prevention approaches include reducing anal human papillomavirus (hpv) infection and transmission, and vaccination against hpv. Get detailed information about risk factors and prevention approaches in this summary for clinicians. Anal cancer risk factors and prevention approved by the cancer. Net editorial board , 062019 on this page you will find out more about the factors that increase the chance of developing anal cancer. anal cancer cases have been increasing over several decades. Infection with human papillomavirus (hpv) is the major risk factor for anal cancer. Start here to find information on anal cancer treatment, causes and prevention, research, and statistics. Since many, if not most, anal cancers derive from hpv infections, and since the hpv vaccine before exposure to hpv prevents infection by some strains of the virus and has been shown to reduce the incidence of potentially precancerous lesions, scientists surmise that hpv vaccination may reduce the incidence of anal cancer. Anal cancer treatment options include radiation therapy, chemotherapy, andor surgery. Get detailed information about newly diagnosed and recurrent anal cancer including risk factors, symptoms, diagnosis, prognosis, and treatment in this expert-reviewed summary. Squamous cell cancer - most anal cancers are squamous cell carcinomas because they develop from squamous cells, the cells that line the anal canal. Adenocarcinoma - around 3-9 of anal cancers are adenocarcinoma. Adenocarcinoma develops from the glandular cells in the anus. These cells produce mucous, which aids the stool to pass through the anus smoothly.