Clinical Validation of PolyDeep: an Artificial Intelligence-based Computer-aided Polyp Detection (CADe) and Characterization (CADx) System. Polydeep Advance 2.

Inclusion Criteria: * First diagnostic colonoscopy performed after a positive fecal immunochemical test performed within the CRC screening program. * Surveillance after colorectal adenomas resection. * Authorization after reading the information sheet and singing the informed consent. Exclusion Criteria: * Incomplete colonoscopy without cecal intubation. * Colonoscopies with insufficient intestinal cleansing (Boston Bowel Preparation Scale \<6 or \<2 in any of the evaluated segments). * Detected lesions without histological diagnosis. * Previous CRC. * Previous colonic resection. * CRC associated hereditary syndrome. * Serrated polyposis syndrome.