1 Department of Thoracic Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, People's Republic of China.
2 Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou, People's Republic of China.
3 Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou, People's Republic of China. Electronic address: wangyang98289@smu.edu.cn.