GSTM1 and hepatocellular carcinoma: The relative expression level of lncRNA (CBX4, LINC01564, RAMS11 and TOP2A) showed a positive correlation in HCC group with ALT, AST and overall survival time, on the other hand were insignificantly correlated with age, Hb, platelets, WBCS, serum albumin, total bilirubin, direct bilirubin, PT and α FP (Table 5).