Dr. HU Dingzhong is the specially-invited expert of thoracic surgery at Jiahui International Health. He serves as chief physician of thoracic surgery in the Shanghai Chest Hospital. Dr. Hu has been devoted to thoracic surgery clinical work for nearly 30 years, with an annual operation volume of more than 2,000 cases. He has accumulated rich clinical experience in thoracic surgery. Dr. Hu specializes in the diagnosis, differential diagnosis, and surgical treatment of chest benign and malignant diseases such as lung, esophagus, mediastinum, chest wall l, and trachea. He is especially skilled at complex surgical operations of thoracic surgery, including various high complex tracheal tumors, tracheal stenosis, and complex tumor surgical operations on the top of the chest, as as well as vena cava replacement in the treatment of thymic tumors. In the past 10 years, Dr. Hu has extensively carried out minimally invasive thoracic surgeries. He is skilled in all kinds of central complicated lung and mediastinal surgery under thoracoscope. He has performed the leading amount of thoracic robotic surgery cases in China. He also focuses on research for the surgical treatment of emphysema and lung transplantation for various end-stage lung diseases.