1. From the Matsunaga-Conte Prostate Cancer Research Center, Division of Male Reproductive Medicine and Surgery, Scott Department of Urology and Departments of Pathology, Surgery, Neurosurgery, Division of Plastic Surgery, Baylor College of Medicine, Houston, Texas, and Department of Urology, Memorial Sloan-Kettering Cancer Center, New York, New York, and Department of Surgery, Division of Urology, University of Tennessee Medical Center, Knoxville, Tennessee