1. Department of Oncology, The First People's Hospital of Lianyungang (the First Affiliated Hospital of Kangda College, Nanjing Medical University), Lianyungang, Jiangsu Province, China
2. Department of Radiology, the First People's Hospital of Lianyungang (the First Affiliated Hospital of Kangda College, Nanjing Medical University), Lianyungang, Jiangsu Province, China