Anal cancer cause

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  researchers have found some risk factors that increase a persons risk of anal cancer, but the exact cause of anal cancer is not known. 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. 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. 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. At first, most people assume the bleeding is caused by hemorrhoids (painful, swollen veins in the anus and rectum that may bleed). They are a benign and fairly common cause of rectal bleeding. When cancer cells form into benign or malignant tumors in the tissues of the anus, anal cancer has occurred. The anus is the opening at the bottom of your intestines where stool exits the body.   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.   anal cancer is a relatively rare cancer and more common in females than in males. Anal cancer is a relatively rare disease that forms in the tissues of the anus, the opening at the end of the rectum (where the large intestine ends), which is connected to the outside of the body and through which stool passes.

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