Improvement of survival outcomes in patients with advanced-stage non-small-cell lung cancer treated with chemotherapy: a retrospective cohort study evaluating the role of immune checkpoint inhibitors - Sakamori, Yuichi; Kawachi, Hiroaki; Yamoto, Mako; Fukao, Akari; Terashita, Satoshi; Watanabe, Kizuku; Ikeue, Tatsuyoshi; Sugita, Takakazu (Journal of Thoracic Disease; Vol 17, No 7 (July 31, 2025): Journal of Thoracic Disease, 2025)