1. Department of Radiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
2. Department of Thoracic Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
3. Clinical Research Center for Medical Imaging in Hunan Province, Changsha, Hunan Province, 410011, People's Republic of China