New blood tests for colorectal cancer screening are less invasive than colonoscopies but may not be as effective. A study from Stanford Medicine found that colonoscopies and stool tests are better at detecting early cancers and polyps. The new blood tests are recommended for people who avoid traditional screenings. However, if too many people switch to the blood tests, colorectal cancer death rates may rise. The study suggests that a combination of different tests may be the most effective screening method. Patients and clinicians are advised to stick with proven screening methods until blood tests improve.
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Don’t skip colonoscopy for new blood-based colon cancer screening, study says
