1. Chest Imaging Division, Nagano Health Promotion Corporation
2. Department of Chest Surgery, National Chushin Matsumoto Hospital
3. Division of Diagnostic Pathology, Okaya City Hospital
4. Department of Laboratory Medicine, Shinshu University School of Medicine
5. Department of Chest Surgery, Shinshu University School of Medicine
6. Department of Chest Surgery, JA Nagano Azumi General Hospital