Inclusion Criteria:  Adult (≥ 18 years old) Patient who is scheduled for a major left lung resection surgery (segmentectomy, lobectomy, pneumonectomy) or a right lung resection with upper lymph node dissection in the context of lung cancer Patient who capable to read and understand the patient information and consent. Patient capable to read and sign the consent form Patient with social insurance Woman of childbearing age with effective contraception (see WHO definition), postmenopausal woman (≥ 12 months of amenorrhea not induced by therapy) Negative urine pregnancy test  Exclusion Criteria:  History of swallowing or eating disorders, Neurological history with known sequelae or cognitive disorders Preoperative nasogastric tube feeding Person deprived of liberty by an administrative or judicial decision or person placed under judicial protection, under guardianship or curatorship, Pregnant or breastfeeding woman Patient participating in another clinical trial with the same primary outcome Patient who has never undergone a major left pulmonary resection (segmentectomy, lobectomy, pneumonectomy) or a right pulmonary resection with upper lymph node dissection in the context of lung cancer during surgery. Pre or per operative tracheostomy, Patient with a postoperative contraindication to perform a swallowing test (Glasgow score less than 14, prolonged intubation more than 24 hours after surgery, imminent risk of reintubation, acute respiratory distress) Person with a postoperative contraindication to perform a nasofibroscopy (blood coagulation disorder with risk of bleeding, severe hypoxia, acute respiratory distress).