| Affiliation: | 1. Department of Colorectal Surgery, Cancer Hospital, Department of Oncology, Shanghai Medical College, Fudan University, , Shanghai, China;2. Department of Endoscopy, Cancer Hospital, Department of Oncology, Shanghai Medical College, Fudan University, , Shanghai, China;3. Department of Radiation Oncology, Department of Biostatistics, Department of Oncology, Cancer Hospital, and Shanghai Medical College, Fudan University, , Shanghai, China;4. Department of Pathology, Cancer Hospital, Department of Oncology, Shanghai Medical College, Fudan University, , Shanghai, China |
