Radiotherapy

14 February 2011
Radiotherapy treats cancer by using high-energy rays to destroy the cancer cells in one area of the body, while doing as little harm as possible to healthy cells. The treatment is usually given as a series of short daily sessions over a few weeks.

Radiotherapy is also used in children with leukaemia who require a stem cell (bone marrow) transplant. Radiotherapy is used to destroy their existing bone marrow prior to transplantation.
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