Affiliation: | (1) Respiratory Disease Center, Showa University Northern Yokohama Hospital, 35-1 Chigasaki-Chuo, Tsuzuki-ku, Yokohama, 224-8503 Kanagawa, Japan;(2) Department of Thoracic and Cardiovascular Surgery, Showa University Fujigaoka Hospital, Yokohama, Kanagawa, Japan;(3) First Department of Surgery, Showa University School of Medicine, Shinagawa-ku, Tokyo, Japan |