1. Department of Thoracic Oncology and Respiratory Medicine Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital Bunkyo Japan
2. Department of Medical Oncology, Graduate School of Medicine Chiba University Chiba Japan
3. Department of Pathology Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital Bunkyo Japan
4. Department of Chemotherapy Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital Bunkyo Japan