For example, Sun et al. identified NSUN2 as a prognostic biomarker in hepatocellular carcinoma (HCC) [58], while Wang et al. demonstrated its dual relevance as a prognostic and therapeutic marker in EGFR-TKI-resistant non-small cell lung cancer (NSCLC) [60]. The gene discussed is EGFR; the disease is hepatocellular carcinoma.