1. From the Urologic Oncology (CP, RLG III, KH, MMW, MWL) and Genetic Epidemiology (GMG, JT) Branches, Division of Cancer Epidemiology and Genetics, National Cancer Institute and Basic Research Program, SAIC-Frederick, Inc., National Cancer Institute Frederick (LSS), Frederick and Laboratories of Pathology (CT-C, MJM) and Immunobiology (BZ) and Molecular Imaging Program (PC), Center for Cancer Research, Bethesda, Maryland