1. Division of Pathology, Exploratory Oncology Research & Clinical Trial Center National Cancer Center, Kashiwa Chiba Japan
2. Department of Thoracic Surgery National Cancer Center Hospital East, Kashiwa Chiba Japan
3. Department of General Thoracic Surgery Juntendo University School of Medicine Tokyo Japan
4. Department of Pathology and Clinical Laboratories National Cancer Center Hospital East, Kashiwa Chiba Japan
5. Exploratory Oncology Research & Clinical Trial Center National Cancer Center, Kashiwa Chiba Japan