title: Prospective observational cohort study of postoperative risk and prognosis scoring for elderly patients with medically operable lung cancer (JACS1303).
authors.affiliation: Department of Chest Surgery, St. Marianna University School of Medicine, 2-16-1 Sugao, Miyamae-ku, Kawasaki, Kanagawa, 216-8511, Japan. saji-q@ya2.so-net.ne.jp.|Department of Thoracic Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan. saji-q@ya2.so-net.ne.jp.
authors.forename: Hisashi
authors.initials: H
authors.lastname: Saji
authors.affiliation: Department of Medical Informatics, St. Marianna University School of Medicine, 2-16-1 Sugao, Miyamae-ku, Kawasaki, 216-8511, Kanagawa, Japan.
authors.forename: Takahiko
authors.initials: T
authors.lastname: Ueno
authors.affiliation: Division of General Thoracic Surgery, Tottori University Hospital, 36-1, Nishimachi, Yonago, 683-8504, Tottori, Japan.
authors.forename: Hiroshige
authors.initials: H
authors.lastname: Nakamura