Evaluation of Peripheral Blood Protein Biomarkers for Colorectal Cancer Screening

Inclusion Criteria: * Patient aged 50 years or older referred for screening colonoscopy after a positive FIT test or for endoscopic resection of a previously identified suspicious colorectal lesion Exclusion Criteria: * Very high risk of colorectal cancer: Lynch syndrome, Familial adenomatous polyposis, Peutz-Jeghers syndrome, Familial polyposis associated with a MutYH gene defect * Other solid cancers or haematological malignancies that are progressive and/or undergoing treatment (apart from basal cell skin carcinoma) * Contraindication to total colonoscopy