Comparison of Emergence and Oxygenation During One-lung Ventilation With Desflurane and Propofol Anesthesia

Inclusion Criteria: * Patients agree to participate in the study * Patients undergoing lung cancer surgery requiring one-lung ventilation. * American Society of Anesthesiologists Physical Status Class 1 or 2 Exclusion Criteria: * Patients with any of the following will be excluded from lung cancer patients. * New York Heart Association Classification more than 2 * Respiratory dysfunction Vital Capacity or percent predicted Forced expiratory volume in one second is less than 50 % * Pulmonary hypertension with mean pulmonary arterial pressure more than 30 mmHg * Coagulation dysfunction * The administration of steroids and immunosuppressive agents within 3 months prior to surgery * Infection with active inflammation * Pneumonectomy patients * Cases of epidural anesthesia is contraindicated