What are the factors that affect the prognosis of anal cancer?

Riverside Cancer Care Center

The prognosis (chance of recovery) depends on the following:

The size of the tumor
Where the tumor is in the anus
Whether the cancer has spread to the lymph nodes

The treatment options depend on the following:

The stage of the cancer
Where the tumor is in the anus
Whether the patient has human immunodeficiency virus (HIV)
Whether cancer remains after initial treatment or has recurred

This answer is based on source information from the National Cancer Institute.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.

Anal Cancer

A rare disease, anal cancer accounts for less than 6,000 cases a year in the U.S., although its incidence appears to be increasing each year. Anal cancer occurs when malignant tumors develop at the opening end of the rectum. Benign, or noncancerous, tumors can also later develop into anal cancer. While no one knows its cause, doctors believe a genetic mutation leads to anal cancer. Caught early, this cancer can be cured; however, once it spreads to other organs, the five-year survival rate drops to 20%. Treatment includes chemotherapy, radiation therapy or surgical removal of the cancer. If you are older than 50, have multiple sexual partners, smoke cigarettes or have the human papillomavirus (HPV), you are at greater risk of developing this cancer. You are also at greater risk if you take immunosuppressive drugs like those taken after an organ transplant. Visit your doctor if you experience any of these symptoms: anal itching, bleeding in the anus or rectum, and pain near the anus.

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