1. Department of Respiratory Medicine Kishiwada City Hospital Kishiwada Japan
2. Department of Medical Oncology Kishiwada City Hospital Kishiwada Japan
3. Department of Medical Oncology Kindai University Faculty of Medicine Osaka‐Sayama Japan
4. Department of Pathology Kishiwada City Hospital Kishiwada Japan
5. Department of Neurosurgery Kishiwada City Hospital Kishiwada Japan