IL6 and hepatocellular carcinoma: The level of IL-6 in the control group was 0.81 (0.06–5.75) pg/ml in comparison to 2.52 (1.40–4.99) pg/ml in HCC as per Study 1 (35), 4.61 (2.89–7.63) pg/ml in control to 7.21 (1.39–187.12) pg/ml in HCC as per Study 2 (30), and 1.69 (0.04–4.92) pg/ml in control to 5.06 (0.16–78.50) pg/ml in HCC in Study 3 (36).