The battle against colorectal cancer (CRC) is evolving, and a new blood-based test using cell-free DNA (cfDNA) brings hope. But how well does it really perform compared to the gold-standard colonoscopy? While the test shows promise in detecting late-stage cancers, its struggle to identify early-stage tumors raises critical questions. With the stakes so high in catching CRC early, could this new test revolutionize screening, or is it just another tool in the arsenal?
A new blood test doesn’t change the game for colorectal cancer screening (Peter Attia)
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