AFP and hepatocellular carcinoma: Besides, AFP levels (Fig. S1a) and sST2 levels (Fig. S1b) between the TNM stage I and II–IV in HCC group showed no significant differences (P > 0.05), and sST2 levels didn’t differ between the patients aged ≥60y and aged <60y (Fig. S1c) or between male and female (Fig. S1d) in HCC group (P > 0.05).