Institution: | 1. Department of Thoracic Surgery, Yamagata Prefectural Central Hospital, Yamagata, Japan;2. Department of Regenerative Surgery, Fukushima Medical University, Fukushima, Japan;3. Department of Pathology, Yamagata Prefectural Central Hospital, Yamagata, Japan;4. Department of Thoracic Surgery, Miyagi Cancer Center, Miyagi, Japan;5. Department of Endoscopy, Tohoku Medical and Pharmaceutical University, Sendai, Miyagi, Japan;6. Department of Thoracic Surgery, Tohoku University Graduate School of Medicine, Miyagi, Japan |