Of those diagnosed with moderate-poorly differentiated HCC, 45 patients had a mean AFP level of 164.20±666.20 ng/L, mean CA19-9 level of 21.03±23.82 U/mL and mean CEA level of 3.78±2.13 ng/L with 1 patient testing positive for all the three biomarkers. Here, CEACAM5 is linked to hepatocellular carcinoma.