15 advanced stage cancer patients were tested. Those are patients where cancer has spread to other ograns. 13 out of the 15 patients tested positive. Two of the advanced stage patients did not test positive but you could probably see those two no doubt were showing other clinical signs.
As for the normals, there were 22 of them and they should have been healthy with no cancer. 2 of the 22 tested positive for cancer via the saliva test. That's not good.
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