https://abc7.com/post/fda-approves-blood-test-detect-colon-cancer-average/15116020/
Scroll down, down the article for the info on false negatives.
“ Scroll down, down the article for the info on false negatives.”
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You’’ll find that most screening blood tests (if not all) will have a certain percentage of false negatives as well as a certain percentage of false positives. That’s why they call them SCREENING tests to see if further diagnostic tests are essential,