This is an internal examination of the rectum, done under a general anaesthetic. It allows your surgeon to examine you thoroughly and check the extent of the cancer, without causing you discomfort. They may also take small samples of tissue (biopsies). This helps them plan your treatment.

You can go home once you have recovered from the anaesthetic. This is usually on the same day.

You may have some slight bleeding for a few days after an EUA. Your surgeon or nurse can tell you more about the examination and what to expect.

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