If you have symptoms of anal cancer, your GP will examine you and refer you to a specialist for tests.
If the tests show that you have anal cancer, the specialist will work out how far it has spread. This is known as staging.
After an anal cancer diagnosis, you are likely to see a range of health professionals, who will all play a part in your treatment.
Many people feel understandably shocked and upset when told they have anal cancer. If you need support, call Cancer Council 13 11 20.
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Watch this short video to learn about what cancer is, and some common diagnostic tests.