Affiliation: | 1. Department of Respiratory Medicine, Kanagawa Cardiovascular and Respiratory Center, Yokohama, Japan;2. Department of Radiology, Kanagawa Cardiovascular and Respiratory Center, Yokohama, Japan;3. Department of Pathology, Graduate School of Medicine, Yokohama City University, Yokohama, Japan;4. Department of Pathology, Japan Red Cross Medical Center, Tokyo, Japan |