AFP and neoplasm: Tests for tumor markers revealed elevation of the plasma level of des-gamma carboxyprothrombin (DCP; 8768 mAU/mL); however, the serum levels of other tumor markers that might have indicated the pathological nature of the liver mass, i.e., AFP, AFP-L3, CEA, and CA19-9, were as follows: AFP, 2 ng/ml; AFP-L3, 0.5%; CEA, 2.1 ng/ml; and CA19-9, 10 U/ml, which were all within their respective normal ranges.