1. From the Departments of Radiation Oncology (D.Y., R.U., C.T.), Biostatistics (H.H., W.Q.), Urology (B.F.C.), Genitourinary Medical Oncology (A.A.), Health Services Research (M.A.L.O.), Nuclear Medicine (H.A.M., D.S.S.), and Abdominal Imaging (T.K.B.), The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Unit 483, Houston, TX 77030; and Department of Radiology, NYU Langone Health, New York, NY (S.K.K.).