1. Department of Radiology Yunnan Cancer Hospital the Third Affiliated Hospital of Kunming Medical University Yunnan Cancer Center Kunming China
2. Department of Colorectal Surgery Yunnan Cancer Hospital Yunnan Cancer Center the Third Affiliated Hospital of Kunming Medical University Kunming China
3. Department of Biostatistics School of Public Health Cheeloo College of Medicine Shandong University Jinan China
4. Department of Oncology Dazhou Central Hospital Dazhou China
5. Department of Radiotherapy the Sixth Affiliated Hospital of Sun Yat‐sen University Guangzhou China
6. Department of Radiology Zhuhai People's Hospital Zhuhai Hospital Affiliated with Jinan University Zhuhai China
7. Department of Clinical Laboratory Medicine Yunnan Cancer Hospital Yunnan Cancer Center the Third Affiliated Hospital of Kunming Medical University Kunming China
8. School of Public Health Kunming Medical University Kunming China
9. Department of Radiology Guangdong Provincial People's Hospital Guangdong Academy of Medical Sciences Guangzhou China