1. Department of Radiological Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
2. Department of Radiology, Nagasaki Prefecture Shimabara Hospital, Nagasaki, Japan
3. Department of Clinical Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
4. Division of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
5. Department of Pathology, Nagasaki Prefecture Shimabara Hospital, Nagasaki, Japan
6. Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan