ABCC1, ABCC4, ABCC5, and ABCC10 (Figures 1A,C,D,H) were significantly higher expressed in HCC tissues, but ABCC2, ABCC6, ABCC7, and ABCC9 (Figures 1B,E–G) were significantly lower expressed in HCC tissues. Here, ABCC4 is linked to hepatocellular carcinoma.