AFP and hepatocellular carcinoma: Moreover, the 24 HCC patients were classified into low- and high-risk groups based on the combined model of 4-lncRNA signature risk score with AFP and T stage, Kaplan-Meier analysis illustrated that patients in the high-risk group had significantly poorer DFS within 2 years compared to those in the low-risk group (Fig. 7F, P < 0.0001).