The principles of incision selection -- Right upper lobectomy -- Resection of the middle lobe of the right lung -- Right inferior lobe resection -- Upper left lobectomy -- Back segment resection of left lower lobe -- Left pneumonectomy -- Sleeve resection of right upper lobe of lung -- Sleeve resection of left lower lobe of lung -- Double sleeve resection of right upper lobe of lung -- Lower left lobectomy -- Right upper lobectomy with 2cm incision.