1. From the Departments of Radiation Oncology, Medical Oncology and Urology, University of California-San Francisco, San Francisco, California, Radiation Therapy Oncology Group Statistical Headquarters and Department of Radiation Oncology, Einstein Medical Center, Philadelphia, Pennsylvania, Department of Radiation Oncology, McAuley Health Center, Ann Arbor, Michigan, Department of Radiation Oncology, University of Kentucky, Lexington, Kentucky, and Department of Pathology, Wayne State University,...