Comparison of survival results of patients with T0 and T1-2-3 in pathological T staging in patients with non-small cell lung cancer who underwent surgery after neoadjuvant treatment - Kermenli, Tayfun; Melek, Hüseyin; Bayram, Ahmet; Gebitekin, Cengiz (Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery, 2020)