Three-Dimensional Conformal Radiation Therapy
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Three-Dimensional Conformal Radiation Therapy (3DCRT) uses the most advanced technology to tailor radiation to fit the shape of the treatment area by using small leaves (a multileaf collimator (MLC)) and a varying number of radiation beams. When the treatment volume conforms to the shape of the tumor, the radiation dose to surrounding healthy tissues is reduced, allowing a higher dose of radiation to be delivered to the tumor. Because the radiation beams are precisely focused, nearby normal tissue is spared. 3DCRT is delivered using a linear accelerator while the patient is positioned on a treatment table. This technique is being used to treat breast cancer, prostate cancer, lung cancer, certain brain tumors and other other cancers.