1. Department of Respiratory Medicine, School of MedicineKitasato University Sagamihara Japan
2. Applied Tumor Pathology, Graduate School of Medical SciencesKitasato University Sagamihara Japan
3. Department of Pathology, School of MedicineKitasato University Sagamihara Japan
4. Department of Thoracic and Cardiovascular Surgery, School of MedicineKitasato University Sagamihara Japan
5. National Institute of Advanced Industrial Science and Technology Tokyo Bay Area Center Koto‐ku Japan