Laparoscopic approach reduces the incidence of postoperative pulmonary complications after hepatectomy for hepatocellular carcinoma: a multicenter overlap propensity score-weighted analysis

Jiahao Xu, Lihui Gu, Xuedong Wang, Xiaochang Wu, Mingda Wang, Zhongqi Fan, Qixuan Zheng, Yahao Zhou, Hong Wang, Jie Li, Tinghao Chen, Yingjian Liang, Xianming Wang, Weimin Gu, Wei Zhang, Yongkang Diao, Lanqing Yao, Chao Li, Feng Shen, Timothy M. Pawlik, Wan Yee Lau, Guoyue Lv, Tian Yang