Prescription Iso-Energy is a Strong Predictor of Symptomatic Adverse Radiation Effect in Stereotactic Radiosurgery of Brain Metastases

      In this study, we aim to 1) determine whether a new parameter named prescription iso-energy (PIE) correlates with the development of symptomatic adverse radiation effect (ARE) after stereotactic radiosurgery (SRS) of brain metastases and 2) compare PIE with known dosimetric prognostic parameters for ARE such as the 10 and 12-Gy isodose volume.
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