97: Four-Year PSA Response Rate as a Predictive Measure in Intermediate Risk Prostate Cancer Treated with Ablative Therapies: The Sprat Analysis. (October 2021) - Glicksman, Rachel; Kishan, Amar U.; Katz, Alan J.; Mantz, Constantine A.; Collins, Sean P.; Fuller, Donald B.; Steinberg, Michael L.; Shabsovich, David; Zhang, Liying; Loblaw, Andrew