1. Department of Diagnostic Radiology; Keio University School of Medicine; Tokyo Japan
2. Department of Urology; Yokohama City University Graduate School of Medicine; Yokohama Japan
3. Department of Molecular Pathology; Yokohama City University Graduate School of Medicine; Yokohama Japan
4. Division of Diagnostic Pathology; Keio University Hospital; Tokyo Japan
5. Department of Radiology; Dokkyo Medical University Koshigaya Hospital; Saitama Japan
6. Department of Urology; Keio University School of Medicine; Tokyo Japan