The ROI is a non-profit, 501(c)(3) foundation created in 2006 by ASTRO as a vehicle to support research and education efforts that enhance and confirm the critical role of radiation therapy in improving cancer treatment. Thanks to the generous support of people like you, the ROI is able to continue their 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.Your tax-deductible gift today will help to advance critical research that strengthens radiation oncology’s essential role in the treatment of cancer.