Affiliation: | 1. Clinical Research Center, National Hospital Organization Kinki‐Chuo Chest Medical Center, Sakai, Japan;2. Department of Internal Medicine, National Hospital Organization Kinki‐Chuo Chest Medical Center, Sakai, Japan;3. Division of Clinical Trial, National Hospital Organization Kinki‐Chuo Chest Medical Center, Sakai, Japan;4. Department of Pathology, National Hospital Organization Kinki‐Chuo Chest Medical Center, Sakai, Japan;5. Department of Pathology, National Hospital Organization Minami Wakayama Medical Center, Tanabe, Japan;6. Department of Radiology, National Hospital Organization Kinki‐Chuo Chest Medical Center, Sakai, Japan |