Radiotherapy is the use of high energy X-rays to treat cancer. It is a very common treatment for cancer. Learn what happens when you have radiotherapy for brain tumours and head and neck cancers. It is important when treating cancer to have the proper advice and to understand the treatments. This is a Cancer Research UK video.
Learn more about radiotherapy at http://www.cancerresearchuk.org/cancer-help/about-cancer/treatment/radiotherapy/