... Does it mean that F4 is worse? Or does it go as far as F-6? And, if not is F4 the end stage of liver cirrhosis and therefore untreatable? And, does anyone know how this all fits in with being the hep c genotype of 1a or 1b? I know that Harvoni favors 1a patients for using the drug, which I am 1a. But, I read my lab work results before I started taking Harvoni and I determined that I was a F-4 ... yet, the head nurse in my doctor's office had told me over the phone that I was beginning stages of cirrhosis, F-3. I think she got it wrong or simply she was not looking at my paperwork. I don't know. It's all confusing for me