PRIMARY OBJECTIVE:
I. To assess feasibility of a pilot randomized trial evaluating stereotactic ablative radiotherapy (SABR) and high-dose rate brachytherapy for localized prostate cancer.
OUTLINE: Patients are randomized to 1 of 2 arms.
ARM I: Patients undergo high-dose rate brachytherapy (HDR).
ARM II: Patients undergo SABR every other day for 5 treatments.
After completion of study treatment, patients are followed up periodically.

