Non-Invasive Ventilation Preoperative Lung Resection Surgery

Inclusion Criteria: * Patient over 18 years, to benefit from surgery scheduled for lung resection (lobectomy or segmentectomy) for primary lung cancer and having signed an informed consent. AND * Trouble obstructive (FEV / FVC \<70% and FEV \<80% predicted) Or restrictive (FVC \<80% or TLC \<80%) Or decrease in the ratio TLCO / VA \<60% Or history of respiratory failure with hypercapnic Pa CO2\> 45 mmHg in the year preceding surgery Or long-term oxygen Or heart failure (clinical signs of heart failure and LVEF \<55% or disorder of relaxation on echocardiography or atrial fibrillation) Or history of acute cardiogenic pulmonary edema. Or obesity (BMI\> 30 kg/m2) Exclusion Criteria: * Inability to consent * Patient declared inoperable given the comorbidities or refusing surgery or with unresectable tumors. * Patient operable but with no comorbidities described in the inclusion criteria * Contraindications to the non-invasive ventilation: * Lack of understanding of the technical * facial malformation * Tight stenosis of the upper airway * uncontrollable vomiting * Unable to remove the mask * Cognitive impairment or severe psychiatric jeopardizing the observance of the NAV * Patient non-insured * Patient already on invasive ventilation or non-invasive * During Pregnancy