Radiotherapy for primary breast cancer

Radiotherapy is a treatment for cancer that uses carefully measured and controlled high energy x-rays. In primary breast cancer it aims to destroy any cancer cells that may be left behind in the breast area after surgery.

The following information explains how radiotherapy is used to treat people with primary breast cancer. If you have secondary breast cancer, you can read our information about treating secondary breast cancer.

Last reviewed: June 2014
Next planned review is June 2016

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