1. Division of Thoracic Surgery, Department of Surgery, Kindai University Faculty of Medicine, Osakasayama 589-8511, Japan
2. Department of Genome Biology, Kindai University Faculty of Medicine, Osakasayama 589-8511, Japan
3. Department of Surgery, Tokyo Medical University, Shinjuku-ku, Tokyo 160-0023, Japan
4. Department of Diagnostic Pathology, Kindai University Hospital, Osakasayama 589-8511, Japan
5. Department of Anatomic Pathology, Tokyo Medical University, Shinjuku-ku, Tokyo 160-0023, Japan