Institution: | (1) Department of Thoracic Surgery, Institute of Development, Aging and Cancer, Tohoku University, 4-1 Seiryomachi, Aoba-ku, Sendai 980-8575, Japan, JP;(2) Department of Surgery, Sendai Kousei Hospital, 4-12 Hirosemachi, Aoba-ku, Sendai 980, Japan, JP |