ANTONIA REEVE / SCIENCE PHOTO LIBRARY ANTONIA REEVE / SCIENCE PHOTO LIBRARY
Linear accelerator. Varian linear accelerator, showing the inside of the back of the machine. Linear accelerators are used in radiotherapy as a source of high-voltage X-rays, which can deliver a precisely targeted dose of radiation to treat some cancers. This treatment is often combined with surgery or chemotherapy (drug treatment). Photographed at the Edinburgh Cancer Centre, UK.
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