1 Department of Medical Imaging Center, The Affiliated Huaian No. 1People's Hospital of Nanjing Medical University, 1 Huanghe West Road, Huaiyin District, Huai'an, Jiangsu, 223300, China. ybao1994@connect.hku.hk.
2 Department of Diagnostic Radiology, Li Ka Shing, Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China.
3 Department of Medical Imaging Center, The Affiliated Huaian No. 1People's Hospital of Nanjing Medical University, 1 Huanghe West Road, Huaiyin District, Huai'an, Jiangsu, 223300, China.
4 Department of General Surgery, Lianshui County People's Hospital, Huai'an, Jiang Su, 223400, China.