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If you're having symptoms of anal cancer, your doctor will ask you about these things.
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The TNM System is a standard system for describing the extent of a cancer's growth. It is the most common system used to stage anal cancer. It was developed by the International Union Against Cancer and the American Joint Committee on Cancer (AJCC). Here's what the letters stand for in the TNM System.
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Ultrasound is an imaging test. It uses sound waves to form pictures of your organs that appear on a screen. Transrectal ultrasound uses a special probe that is placed directly into the rectum. This test lets your doctor assess the prostate gland, which is in front of your rectum. During the test, tissue samples (biopsy) may also be taken.
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