What is external beam radiation therapy?
Radiation therapy, also called radiotherapy, is the branch of medicine that deals with the treatment of cancer by delivering high-energy beams directly to a tumor, or intended target. It is a treatment option for multiple types of cancer, and approximately 50 percent1 of cancer patients globally received radiation therapy as part of their treatment plan.1Baskar, R., & Itahana, K. (2017, January 1). Radiation therapy and cancer control in developing countries: Can we save more lives?. National Library of Medicine. (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5278654/)