Affiliation: | 1. Department of Thoracic Sirgery and Department V of Oncology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, 13-3 Kamiyamacho, Kita-ku, 530-8480, Osaka, Japan 2. Department of Thoracic Surgery, Osaka Medical College, Osaka, Japan 3. Department of Surgery, the Center for Adult Diseases of Osaka, Osaka, Japan
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