Preoperative pectoralis muscle radiodensity as a risk factor for postoperative complications after thoracoscopic lobectomy for non-small cell lung cancer - Zhang, Jinye; Chen, Linmin; Hu, Xiaoshan; Rao, Xuguang; Liu, Qi; Zhan, Junqin; Liu, Taisheng (Annals of Palliative Medicine, 2021)