1. Departments of Urology Kinan Hospital Minamimurogun Mihamacho Mie Japan
2. Departments of Surgery Kinan Hospital Minamimurogun MihamachoMieJapan
3. Pathology Division Mie University Tsu MieJapan
4. Department of Radiology Center and Diagnostic Radiology Kurashiki Central Hospital Kurashiki OkayamaJapan
5. Department of Nephro‐Urologic Surgery and Andrology Mie University Tsu Mie Japan