
The new blood-based colorectal cancer screening test, Guardant Health Shield, has lower sensitivity and specificity compared to established screening methods, and should be offered only to patients who decline other screening options.


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Will patients who are offered this option forego colonoscopy and instead opt for a blood test?

CRC Screening in Primary Care: The Blood Test Option

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Evaluating the Effectiveness and Limitations of a New Blood-Based Colorectal Cancer Screening Test
