1, Lian is the chief physician of the Second Department of Thoracic Surgery, Shanxi Cancer Hospital. I studied in the United States for one year, and I am good at the diagnosis of lung cancer, esophageal cancer, cardiac cancer, mediastinal tumor and chest wall diseases.

2. Guo Shiping, Master, Chief Physician, Second Department of Thoracic Surgery, Shanxi Cancer Hospital. He has been engaged in surgical teaching, scientific research and clinical work, and is good at surgical treatment of esophageal and cardiac cancer, lung cancer and mediastinal tumor. He has published more than 20 national and provincial papers, won the second and third prizes of provincial technical competition, and won the scientific research achievement award 1 item, reaching the international advanced level.

Therefore, it is a little better than Lian.