1. Department of General Thoracic Surgery, Osaka Saiseikai Nakatsu Hospital, Shibata, Kita‑ku, Osaka 530‑0012, Japan
2. Department of Clinical Laboratory Medicine, Osaka Saiseikai Nakatsu Hospital, Shibata, Kita‑ku, Osaka 530‑0012, Japan
3. Division of Pathology, Osaka Saiseikai Nakatsu Hospital, Shibata, Kita‑ku, Osaka 530‑0012, Japan
4. Department of Hematology, Osaka Saiseikai Nakatsu Hospital, Shibata, Kita‑ku, Osaka 530‑0012, Japan
5. Division of Chest Surgery, Hyogo Cancer Center, Kitaouji‑cho, Akashi 673‑8558, Japan
6. Division of Pathology, Hematology, Osaka Saiseikai Nakatsu Hospital, Shibata, Kita‑ku, Osaka 530‑0012, Japan