1. Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland7Dr Siddiqui is now with the Department of Surgery, Division of Urology, University of Maryland, Baltimore
2. Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland8Dr Rais-Bahrami is now with the Departments of Urology and Radiology, University of Alabama at Birmingham
3. Molecular Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
4. Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
5. Division of Cancer Prevention, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
6. Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
7. Biometric Research Branch, Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Rockville, Maryland
8. Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland6Center for Interventional Oncology, Department of Radiology and Imaging Sciences, NIH Clinical Center and National Cancer Institute, National Institutes