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Radiotherapy uses high energy rays to destroy cancer cells. You usually have radiotherapy to help control symptoms caused by cancer of unknown primary (CUP).

Planning radiotherapy

You have a planning session with your radiotherapy team a few days or weeks before you start treatment. Find out what to expect.

Having radiotherapy

Find out how you have radiotherapy for cancer of unknown primary (CUP), and the common side effects.

Last reviewed: 
11 Oct 2017

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