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Prognosis of anal cancer

Anal cancer represents 0.5% of all new cancer cases in the United States. The earlier anal cancer is caught, the better chance a person has of surviving five years after being diagnosed. 48.1% are diagnosed at the local stage and the 5-year survival for localized anal cancer is 80.7%. The number of anal cancer deaths is highest among people aged 55-64. Death rates have been rising on average 2.9% each year over 2005-2014 (16).

Rectal function in some patients will change. The degree of sphincter destruction primarily from tumor infiltration and intensity of radiation therapy will be of influence. The most common symptom is varying degrees of incontinence, urgency for bowel movements and diarrhea. Women and also often men will be sterile after irradiation since the gonads are in (for women) or near (for men) the radiation field.  


Five-year relative survival for patients with cancer in the anal canal, in percent, during the diagnosis period 1979–2013 (statistical material for the period 1974-1978 are missing).

Source: Cancer Registry of Norway


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