Figure
Colorectal cancer screening techniques for which there is sufficient evidence of a mortality reduction and a favorable benefit-to-harm ratio
Screening Test
Frequency and modality
Stool-based tests
Screening every 2 year with guaiac test without rehydration
Screening every 1 or 2 years with higher-sensitivity guaiac test (with rehydration)
Screening every 2 year with fecal immunochemical test (FIT) for stool-based testing
Endoscopic Techniques
Single screening with sigmoidoscopy
Single screening with colonoscopy