FNDC4 and neoplasm: We found that FNDC4 expression was correlated with several tumor-infiltrating lymphocytes (TILs) in hepatoma patients, including monocytes (Spearman: r=0.377, p=5.79e-14) and Th17 cells (Spearman: r=0.32, p=3.02e-10) (Figure 4A).