MP09-18 LONGITUDINAL OUTCOMES FOLLOWING IMPLEMENTATION OF BASELINE PSA RISK STRATIFICATION OF MEN IN THEIR FORTIES. (May 2022) - Michael, Zoe; Kotamarti, Srinath; Arcot, Rohith; Morris, Kostantinos; Shah, Anand; Anderson, John; Armstrong, Andrew; Gupta, Rajan; Preminger, Glenn M.; Moul, Judd W.; Oeffinger, Kevin; Shah, Kevin; et al.