UCKL1 and hepatocellular carcinoma: The expression levels of the two novel oncoproteins uridine-cytidine kinaselike-1 (UCKL-1) and mitochondrial ribosomal protein S18-2 (MRPS18-2) wereassessed in samples of hepatitis C virus (HCV)-associated hepatocellularcarcinoma (HCC) using immunohistochemistry.