Office for Cancer Screening;
National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital;
Chinese Academy of Medical Sciences and Peking Union Medical College;
Beijing 100021;
China;
Chinese Academy of Medical Sciences Key Laboratory for National Cancer Big Data Analysis and Implement;
Beijing 100021;
China;
Evidence-Based Medicine Center;
School of Basic Medical Sciences;
Lanzhou University;
Lanzhou 730000;
China;
Key Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu Province;
Lanzhou University;
Lanzhou 730000;
China;
Department of Thoracic Surgery;
National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital;
Chinese Academy of Medical Sciences and Peking Union Medical College;
Beijing 100021;
China;
Esophageal cancer; esophageal squamous cell carcinoma; epidemiology; risk factors; screening;