Affiliation: | 1. Department of Pathology, School of Medicine, Tohoku University, , Sendai, Japan;2. CHUGAI Pharmaceutical Co., , Gotemba, Japan;3. Department of Respiratory Medicine, Tohoku Pharmaceutical University Hospital, , Sendai, Japan;4. Department of Pathology, Miyagi Cancer Centre, , Natori, Japan;5. Department of Respiratory Medicine, Miyagi Cancer Centre, , Sendai, Japan;6. Department of Thoracic Surgery, Tohoku University Graduate School of Medicine, , Sendai, Japan |