Age

18–75

Sex

ALL

Healthy volunteers

Accepted

Patients who have undergone colonic resection or polypectomy.
Patients with abnormal blood coagulation or taking antiplatelets or anticoagulants within 7 days.
Patients with hereditary colorectal cancer syndrome (including familial adenomatous polyposis).
Patients with pregnancy, severe chronic cardiopulmonary and renal disease.
Patients with failed cecal intubation.
Patients with poor BPQ necessitated a second bowel preparation.
Patients refusing to participate or to provide informed consent

Study on the Diagnostic Value of Multi-omics Combined Detection for Precancerous Lesions of CRC