1. Department of Urology (T.Ko., T.I., Y.S., N.T., A.M., Y.K., T.Yamas., T.Kaj., T.Kam., O.O., E.N.), Kyoto 606-8507, Japan
2. Anatomical Center for Kyoto University Graduate School of Medicine (Y.T.), Kyoto 606-8501, Japan
3. Kyoto University, Graduate School of Medicine, and Laboratory of Anatomic Pathology (Y.M.), Kyoto University Hospital, Kyoto 606-8507, Japan
4. Department of Translational Medical Science (T.Yamad.), Mie University Graduate School of Medicine, Mie 514-8507, Japan
5. Department of Medical Oncology (E.N.), Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts 02115