FOXP3 and liver neoplasm: The pcDNA‐MYC group was designed for observing MYC‐overexpression's influence on liver neoplasm cells, and miR‐198 inhibitor+pcDNA‐FOXP3 group as well as miR‐198 mimics+pcDNA‐MYC group was set up to restore the effects of miR‐198 and MYC.