Sarcopenia on preoperative chest computed tomography predicts cancer‐specific and all‐cause mortality following pneumonectomy for lung cancer: A multicenter analysis oleh Fabian M. Troschel, Qianna Jin, Florian Eichhorn, Thomas Muley, Till D. Best, Konstantin S. Leppelmann, Chi‐Fu Jeffrey Yang, Amelie S. Troschel, Hauke Winter, Claus P. Heußel, Henning A. Gaissert, Florian J. Fintelmann