Association between length of stay and postoperative survival in patients with lung cancer: a propensity score matching analysis based on National Cancer Database - Kong, Weicheng; Wang, Haoran; Chen, Yanyan; Xie, Juntao; Huang, Binhao; Fang, Liang; Chen, Wenjuan; Shao, Wei; Zhang, Jie (Journal of Thoracic Disease; Vol 15, No 4 (April 28, 2023): Journal of Thoracic Disease, 2023)