Surgical risk and survival impact of octogenarian lung cancer patients compared to those of younger patients undergoing surgery - Hino, Haruaki; Utsumi, Takahiro; Maru, Natsumi; Matsui, Hiroshi; Taniguchi, Yohei; Saito, Tomohito; Murakawa, Tomohiro (Current Challenges in Thoracic Surgery, 2023)