Performance of a Prostate-Specific Membrane Antigen Positron Emission Tomography/Computed Tomography-Derived Risk-Stratification Tool for High-risk and Very High-risk Prostate Cancer. - Xiang M; Ma TM; Savjani R; Pollom EL; Karnes RJ; Grogan T; Wong JK; Motterle G; Tosoian JJ; Trock BJ; Klein EA; Stish BJ; et al. (JAMA network open, 2021)