The “Test for Everything”? A Real-World Look at Multi-Cancer Early Detection (MCED) Tests
Multi-cancer early detection (MCED) tests are emerging blood-based screenings designed to detect multiple cancers by analyzing cell-free DNA and methylation patterns. While these tests are already available (despite lacking FDA approval), current evidence shows high specificity (~99%) but relatively low sensitivity (~40%), meaning false reassurance from negative results is a real concern. Additional challenges include lengthy diagnostic...
Read more