1. Division of Respiratory Medicine, Tokyo Women's Medical University Yachiyo Medical Center, Japan
2. Department of Diagnostic Radiology, Saitama Medical University International Medical Center, Japan
3. Division of Thoracic Surgery, Tokyo Women's Medical University Yachiyo Medical Center, Japan
4. Department of Pathology, Japanese Red Cross Medical Center, Japan
5. Department of Diagnostic Pathology, Graduate School of Medicine, Chiba University, Japan
6. Division of Pathology, Tokyo Women's Medical University Yachiyo Medical Center, Japan