Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Second Affiliated Hospital, Zhejiang University, School of Medicine
With
Timing Biotech Co.Ltd.
Patients who are at high risk of developing colorectal cancer and willing to undergo colonoscopy examination will be asked to collect a stool sample prior to bowel preparation for commercially available FIT (fecal immunochemical test) assay, as well as a blood sample for rbcDNA testing. The colonoscopy and histopathologic examination will be used as a reference for the results obtained from these tests.
Age
40–74
Sex
ALL
Healthy volunteers
Accepted
You may be eligible if
1. Age:40-74Years
2. Sex:All
3. Willing to provide written consent
4. Plan to undergo colorectaloscopy or surgical treatment and be able to provide a complete medical history and cooperate with blood sampling and follow-up visits，other operation.
For advanced adenomas (AA) group:
1. Adenomatous polyps with ≥25% villous component, high-grade dysplasia (HGD), or a diameter ≥10 mm were considered AA. Sessile serrated lesions with diameters ≥10 mm.
2. treatment-naive
3. No other comorbid tumors
For CRC group:
1. Confirmed CRC patients
2. treatment-naive
3. No other comorbid tumors
You may not be if
1. Patients with colorectal cancer who have received prior treatment.
