1. Second Department of Radiotherapy, Yantaishan Hospital, Yantai, China
2. Department of Digestive Internal Medicine, Seventh People’s Hospital of Shanghai University of Tcm, Shanghai, China
3. Third Department of Oncology, Weifang Hospital of Traditional Chinese Medicine, Weifang, China
4. Catheter Room, Affiliated Hospital of Weifang Medical University, Weifang, China
5. First Department of Surgery, Yantai Tao Cun Central Hospital, Yantai, China