1. Department of General Surgery, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, P.R. China
2. Department of Oncology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, P.R. China
3. Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, P.R. China