Dr. Thomas Lei specializes in pulmonary medicine and critical care medicine. He has a special interest and expertise in diagnosing and treating early lung cancer and lung nodules with the latest technology, including robotic navigation bronchoscopy, electromagnetic navigation bronchoscopy, endobronchial ultrasound and endoscopic ultrasound. Also, as the only trained pulmonologist in the South Bay, Dr. Lei uses minimum invasive approach through bronchoscopy to treat emphysema, COPD.