RHOA and hepatocellular carcinoma: In HCC tissues, it was found that the expression of miR‐200b was decreased while that of circ_000839 and Ras homologue A (RhoA) was increased in HCC.53 It was found that miR‐200b, circ_000839, and RhoA were negatively correlated while circ_000839 and RhoA were positively correlated.