1. Department of Oncology, Tianjin Union Medicine Centre, 190 Jieyuan Road, Hongqiao District, Tianjin 300121, China
2. Shanghai Claison Biotechnology Co. Ltd, Shanghai, China
3. Department of Colorectal Surgery, Tianjin Union Medicine Centre, Tianjin 300121, China
4. Department of General Surgery, Tianjin Union Medicine Centre, Tianjin 300121, China