1. Department of Interventional Surgery, Central Hospital of Zibo, Zibo, China
2. Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
3. Department of Radiology, Central Hospital of Zibo, Zibo, China
4. Outpatient Department, Central Hospital of Zibo, Zibo, China
5. Department of General Surgery, Qilu Hospital of Shandong University, Jinan, China