IFNA1 and hepatocellular carcinoma: Summarizing similar findings to those reported with IFN-containing regimens, the incidence of HCC was highest in patients with cirrhosis and no SVR (3 per 100 py), followed by cirrhosis and SVR (2 py), no cirrhosis and no SVR (1 py), and no cirrhosis and SVR (around 0.2 py).