Preventive Anti-inflammatory Diet to Reduce Gastro-intestinal Inflammation in FAP Patients: a Prospective Pilot Study

Inclusion Criteria: \- FAP patients carrying mutations in APC gene, submitted to prophylactic total colectomy/IRA (with rectum preservation) and that participate to the regular endoscopic surveillance program at IRCCS-INT. Exclusion Criteria: * FAP patients taking NSAIDs and/or Omega 3 * Patients who carried MUTYH germline mutations or had no APC mutation found.