Clinical guideline about functional evaluation of lung cancer patients before lung resection is well known. Patients with lung tuberculosis (LT) have another pathogenesis and morphological changes of lungs. However importance of the functional status in estimating risk of lung resections for patients with LT is not so definitely. Aim: To evaluate preoperative pulmonary function status in patients with LT who were performed pneumonectomy. Materials and Methods: Fifty-one patients with LT were studied. Spirometry, bodyplethysmography, diffusion capacity, computed tomography and perfusion scintigraphy were performed before pneumonectomy. Results. There were obstructive disorders (OD) in 40 patients (FEV₁=65,4% pred., RV=152,7% pred., 95%ДИ 142,0-163,4), restrictive disorders (RD) in 3 patients and mixed disorders (MD) in 5 patients (FEV₁=52,6% pred., 95%CI 43,2,6-62,11; TLC=73,7% pred., 95%ДИ 66,6-80,8) and normal ventilation parameters in 3 patients (FEV₁ from 105,6% to 123,1% pred...