In the first study to evaluate patient-reported outcomes from the NRG Oncology/RTOG 0415 trial, researchers found that which form of radiation therapy offers similar health-related quality of life outcomes in one-third less treatment time compared with conventional radiation therapy in men with early-stage, low-risk prostate cancer?
- external beam radiation therapy
- stereotactic body radiation therapy
- proton beam therapy
- hypofractionated radiation therapy
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