1. Division of Diagnostic Pathology; Gunma Prefectural Cancer Center; 617-1 Takahayashi-nishi-cho Ohta Gunma Japan
2. Department of Surgery; Institute of Medical Sciences; Kyorin University; 6-20-2 Shinkawa Mitaka Tokyo Japan
3. Department of Anatomic and Diagnostic Pathology Dokkyo Medical University; 880 Kitakobayashi Mibu Tochigi Japan
4. Division of Thoracic Oncology; Gunma Prefectural Cancer Center; 617-1 Takahayashi-nishi-cho Ohta Gunma Japan
5. Division of Thoracic Surgery; Gunma Prefectural Cancer Center; 617-1 Takahayashi-nishi-cho Ohta Gunma Japan
6. Division of Diagnostic Radiology; Gunma Prefectural Cancer Center; 617-1 Takahayashi-nishi-cho Ohta Gunma Japan