Affiliation: | 1. Clinical Research Center, National Hospital Organization, Kinki‐Chuo Chest Medical Center, Sakai City, Japan;2. Department of Internal Medicine, National Hospital Organization, Kinki‐Chuo Chest Medical Center, Sakai City, Japan;3. Department of Radiology, National Hospital Organization, Kinki‐Chuo Chest Medical Center, Sakai City, Japan;4. Department of Radiology, Osaka City University Graduate School of Medicine, Osaka City, Japan;5. Department of Pathology, National Hospital Organization, Minami Wakayama Medical Center, Tanabe City, Japan |