1. Division of Urology, Department of Surgery, School of Medicine, Faculty of Medicine, Tottori University, Yonago 683-8503, Japan
2. Department of Pathology, School of Medicine, Faculty of Medicine, Tottori University, Yonago 683-8503, Japan
3. Division of Radiology, Department of Multidisciplinary Internal Medicine, School of Medicine, Faculty of Medicine, Tottori University, Yonago 683-8503, Japan