Radiation treatment planning
prostate
PROSTATE
After consent, eligibility verification and randomization, patients will undergo CT/MRI simulation and radiotherapy planning for treatment on MR-LINAC. Patients may receive placement of rectal spacer prior to CT/MRI planning scan at the discretion of the treating physician. Patients will receive treatment to the prostate ± seminal vesicles as per the treating physician’s discretion, either with 37.5 Gy in 5 fractions or 25 Gy in 2 fractions (see Table Biologically Effective Dose (BED) and Equivalence Dose (EQD2) comparison between 5 and 2 fraction schedules