It said it had a nearly perfect accuracy. But, it’s used for relapse not for initial testing.
But, at least a simple CBC blood test can trigger enough red flags for most blood cancers.
Yes , apparently it has limitations for usage; but at least it is a start in the right direction for inexpensive ' at home ' testing.
I imagine that an equally qualitative test for those who have not previously had cancer would have a high consumer demand ,.. but it is a beginning.