This study will be undertaken as a retrospective cohort study at Devision of Thoracic Surgery, Medical University of Vienna. All patients with non-small-cell lung cancer, who received an induction chemo- or chemoradiotherapy followed by surgery in a curative intention at the Devision of Thoracic Surgery, Medical University, will be included. The aim of this study is to evaluate peri- and postoperative clinical parameters and short- and long-term outcomes in patients.