Coincidentally, the TCGA-LIHC dataset, Chiang-HCC cohort, Jia-HCC cohort, Roessler-HCC cohort 2 and Roessler-HCC cohort 1 from the ONCOMINE database all showed a positive correlation between PRL-3 and FAK expression at the mRNA level (Figure 4A, B; Figure S3A). The gene discussed is PTK2; the disease is hepatocellular carcinoma.