The Radiation Oncology Institute (ROI) is a non-profit, 501(c)(3) foundation created in 2006 by the American Society of Radiation Oncology, as a vehicle to support research and education efforts that enhance and confirm the critical role of radiation therapy in improving cancer treatment. ROI strategically funds research on new and existing radiation therapy treatments to identify links between best practices and improved outcomes, to evaluate the efficacy and cost-benefit of radiation therapy and to foster multi-institutional research in radiation oncology.  
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