3.1　The incidence data

The incidence data are as follows: the individual information includes name, gender, date of birth,age, identified card number, address, place of birth, nationality, marital status, professional career,etc.; cancer information includes date of onset,anatomical site and sub-site, histological type,diagnosing evidences, clinical stages, etc.reporting unit information includes reporting date, diagnosing department, institution, physician, etc.follow-up information include date of death, survival status, etc.(https://www.daowen.com)