Treatment is usually external, from a high powered X-ray machine.
Sometimes treatment can be given internally using a radioactive probe. The following pages give some of the key points about radiotherapy. It may be used alone or given before or after surgery. Depending upon the circumstances, radiotherapy may also be given at the same time as chemotherapy. The treatment is given in the hospital radiotherapy department and the course is usually in units of five sessions from Monday to Friday, with a rest at the weekend.