MALAT1 and hepatocellular carcinoma: All tested HCC patients from the KM plotter were divided by the presence or absence of hepatitis virus infection, and we found that the negative correlation of MALAT1 levels with DSF (p = 0.0059) or PFS (p = 0.0065) time was only observed in the hepatitis virus-infected population, and this correlation was more striking in the virus-infected population than in the overall population (Figure 1C and Figure 2).