PML and hepatocellular carcinoma: In our analysis, higher PML expression in the Short TL group than in the Long TL group was observed in five cancer types (STAD, THYM, hepatocellular carcinoma (LIHC), LGG, and cholangiocarcinoma (CHOL)) (Figure 2b), suggesting that PML expression level is a marker for telomere length in these cancer types.