AFP and hepatocellular carcinoma: This finding confirms several reports relating to tumour sizes and AFP and DCP levels [14, 27–29] Durazo et al. [11] in studying 73 patients with HCC noted that the mean DCP value ranged from 7873 mAU/ml for tumour sizes < 3 cm to 12,403 mAU/ml for tumour size > 10 cm.