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The best way you can protect yourself from anal cancer is to be aware of what makes you more likely to get it. These are called your risk factors. You can't affect some risk factors, but others you can do something about. Knowing more about the risk factors for anal cancer can help you make healthy choices to help you avoid it.
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Screening tests check for diseases in people who don't have symptoms. There are recommended screening tests to check for anal cancer. For anal cancer, your doctor can check for early signs of cancer during your regular physical exams. It's easier to treat anal cancer if it is found early. That's what screening does.
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Lower GI endoscopy allows your doctor to view your lower gastrointestinal (GI) tract. Your entire colon and rectum can be examined (colonoscopy). Or just the rectum and sigmoid colon can be examined (sigmoidoscopy).
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