MC1R and hepatocellular carcinoma: The other lncRNAs may exert protective or risk roles for the development of HBV-positive HCC mainly by coexpression with their downstream genes, such as LINC00511-CABYR, LINC01136-SFN, LINC00506-ANLN, and KRTAP5-AS1/TSPEAR-AS1/MKLN1-AS/ZNF252P-AS1-MC1R.