Kinda hard to say anything here with only the abstract. The interesting part for me isn't so much the test method itself, but whether the biomarkers used here a

Kinda hard to say anything here with only the abstract. The interesting part for me isn't so much the test method itself, but whether the biomarkers used here are actually good for anything. And as already mentioned in another comment, you need a very high specificity for this kind of screening test to be useful, because "no cancer" is much, much more likely than "cancer" you get a lot of false positives even with relatively high specificity.