From WebMd
“Noncancerous, or benign, liver lesions are common. They don’t spread to other areas of your body and don’t usually cause any health issues. But some liver lesions form as a result of cancer.”
Your doctor will be able to figure this out for you but it is more likely to be benign
As I understand it, 0.9 is the threshold of reference values, 0.1 this is a negative ELISA result for hepatitis C.
"Hep C virus AB was 0.1 negative 0.9. what does that mean?"
It means that you tested negative for hepatitis c antibodies.