There is still not enough evidence to show that radiation therapy for localized prostate cancer is better than surveillance, according to a report prepared for the Centers for Medicare and Medicaid Services (CMS).
Only retrospective analyses have compared irradiation with no treatment or no initial treatment. Data comparing the relative efficacy of different types of radiation therapy also are insufficient to permit definitive conclusions regarding efficacy, safety, and toxicity, according to the report from investigators at Tufts University in Boston.
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