Risk Factors for Postoperative Pulmonary Complications Leading to Increased In-Hospital Mortality in Patients Undergoing Thoracotomy for Primary Lung Cancer Resection: A Multicentre Retrospective Cohort Study of the German Thorax Registry. - Baar, Wolfgang; Semmelmann, Axel; Knoerlein, Julian; Weber, Frederike; Heinrich, Sebastian; Loop, Torsten (Journal of Clinical Medicine, 2022)