Medicoeconomic Evaluation of Two Surgical Techniques for Lobectomy in the Lung Cancer

Inclusion Criteria: * Patients who have given their consent * Any patient with proven or suspected lung cancer treated by lobectomy or segmentectomy. * Patients with a negative mediastinoscopy or negative " EBUS-EUS " following a PET scan showing uptake in mediastinal lymph nodes in the preoperative examination. * Age ≥ 18 years * Patient affiliated to a social security regimen * Patients with a WHO performance status equal to 0 or 1. Exclusion Criteria: * Adults under wardship * Pregnant or breast-feeding women * Tumours in contact with the pulmonary artery or developing in the lobar bronchi after bronchial fibroscopy. * Tumours in contact with the costal periosteum or invading the chest wall * Tumours invading the mediastinal pleura or structures of the mediastinium (superior vena cava, trachea, the main-stem bronchi, aorta, oesophagus, vertebrae) * Tumours invading the diaphragm * Tumours invading the neurovascular structures of the apex (brachial plexus, subclavicular artery, subclavicular vein) causing Pancoast-Tobias syndrome * Patients with histologically-proven contralateral or supraclavicular lymph node (N3) involvement whatever the harvesting method. * Patients with a positive mediastinoscopy or positive "EBUS-EUS" following a "PET scan" with uptake in one or more mediastinal lymph nodes. * Patients with metastasis (brain, bone, liver, adrenal glands, contralateral lung, pleura). * Patients who have undergone neo-adjuvant chemotherapy and/or radiotherapy. * Patients included in a neo-adjuvant chemotherapy and/or radiotherapy protocol. * Patients who have already undergone thoracotomy. * Patients with decompensated heart failure or with a systolic ejection fraction below 30%. * Patients with severe pulmonary artery hypertension. * Patients with untreated valve disease. * Patients with unstable angina despite appropriate treatment. * Patients with untreated carotid stenosis greater than 70%. * Patients with histologically proven cirrhosis with various decompensations or who have presented haemoptysis because of oesophageal varicose veins. * Patients with severe neurological sequellae (hemiplegia, paraplegia, tetraplegia). * Patients presenting severe psychiatric disorders (dementia, psychosis).