For this study, you will be asked to complete a personal interview. During the interview, you will be asked questions about your demographics (age, sex, etc.), underlying diseases, lifestyle, family history of cancer, awareness of CRC. It should take around 30 minutes to complete the interview.
Residents in high risk group need to have some special tests, including FOBT and colonoscopy. Intestinal neoplasm will be suggested to biopsy or remove under colonoscopy for pathological examination. All tests are free. The interviews will be performed in Residential area and special tests will be done in the hospital during a regularly scheduled visit to Pu-Ai hospita.You may be contacted at home by phone so that researchers can collect information about any changes in your health status.