CASC19 and neoplasm: The results of RT-qPCR revealed that AC099850.3 (p = 0.0023) and AC092171.2 (p = 0.0196) were significantly highly expressed in HCC tissues; whereas, no significant difference was observed in AL158206.1, and CASC19 between tumor tissues and para-carcinoma tissues (Figures 5E–H).