1. Department of Colorectal Surgery Fudan University Shanghai Cancer Center Shanghai China
2. Department of Oncology Shanghai Medical College Fudan University Shanghai China
3. Emergency Department Shanghai Tenth People's Hospital Shanghai China
4. Department of Pathology Fudan University Shanghai Cancer Center Shanghai China
5. Cancer Institute Fudan University Shanghai Cancer Center Shanghai China
6. Institute of Pathology Fudan University Shanghai China
7. Department of Medical Oncology Fudan University Shanghai Cancer Center Shanghai China