Incidence and Risk Factors of Early Onset Colorectal Cancer

The investigators retrospectively assessed the incidence of all neoplastic lesions, advanced neoplasias and colorectal cancer in population under 50 years of age compared to population 50 years and older. The investigators collected the data from all colonoscopic examinations performed in non-university hospital Frydek-Mistek from January 2012 to the end of June 2021.

Inclusion Criteria: all patient who underwent colonoscopic examination clear indication for colonoscopy Exclusion Criteria: not able to underwent colonoscopy