謝謝，學到新東西了。AI 還需繼續學習...直接到源頭找到了答案

How the Galleri test works

The Galleri test looks for a unique “fingerprint” of cancer by analyzing methylation patterns of cell-free DNA (cfDNA).1,5,6 If detected, the test predicts the most likely origin of the cancer signal, to help guide the diagnostic workup.1,7

 

https://www.galleri.com/hcp