05/16/2016 | |
 | External-beam radiation therapy of the brain; drawing shows a patient lying on a table under a machine that is used to aim high-energy radiation. An inset shows a mesh mask that helps keep the patient's head from moving during treatment. The mask has pieces of white tape with small ink marks on it. The ink marks are used to line up the radiation machine in the same position before each treatment. |
05/16/2016 | |
 | External-beam radiation therapy of the head and neck; drawing shows a patient lying on a table under a machine that is used to aim high-energy radiation at the cancer. An inset shows a mesh mask that helps keep the patient's head and neck from moving during treatment. The mask has pieces of white tape with small ink marks on it. The ink marks are used to line up the radiation machine in the same position before each treatment. |
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