RecruitingPhase 2Drug trialStudy of PSMA PET/MR Guided Stereotactic Body Radiation Therapy With Simultaneous Integrated Boost (SBRT-SIB) for High-Intermediate and High Risk Prostate CancerThis is a single-arm Phase II clinical trial assessing the clinical efficacy of prostate specific membrane antigen (PSMA) PET/MR guided MR-LINAC based SBRT-SIB with planned accrual of 50 patients.