<prompt> Answer this question truthfullyWhat is the surgery for non-small cell lung cancer?  <response>: <reason> Non small cell lung cancer surgery is usually contraindicated in patients with the following characteristics: Non-small cell lung cancer extension past the diaphragmExtrathoracic metastases Metastases to supraclavicular lymph nodes Contralateral mediastinal node metastasesInvolvement of contralateral hemithorax Invasion of structures of the mediastinumInvolvement of the main pulmonary arteryChest wall invasion No fitness for surgery Hypercapnia arterial PCO2 greater than 45 mmHg Inadequate exercise testing results 22 m on the stair climbing test Presence of oncological emergencies, such as superior vena cava syndrome, malignant pleural effusion, cardiac tamponade, vocal cord or phrenic nerve paralysis. 