52: Correlation of Multiparametric MRI (MPMRI) with PSA in Assessment of Response to Combined HDR Prostate Brachytherapy and External Beam Radiotherapy for Upper Tier Intermediate and High-Risk Prostate Cancer. (September 2016) - Crook, Juanita; Bachand, Francois; Chang, Sylia; Batchelar, Deidre; Schmid, Matt