1. Department of Radiology, Kindai University Faculty of Medicine, Osaka-Sayama, Japan
2. Department of Diagnostic Pathology and Cytology, Osaka International Cancer Institute, Osaka, Japan
3. Department of Pathology, Kindai University Faculty of Medicine, Osaka-Sayama, Japan
4. Department of Radioligy, Osaka Medical College, Takatsuki, Japan
5. Department of Diagnostic and Interventional Radiology, Osaka International Cancer Institute, Osaka, Japan
6. Department of Pathology, Osaka Medical College, Takatsuki, Japan
7. Department of Radiology, Yamatotakada Municipal Hospital, Yamatotakada, Japan
8. Department of pathology, International University of Health and Welfare, School of Medicine, Otawara, Japan
9. Department of Radiology, Osaka University Graduate School of Medicine, Suita, Japan