To assess the interobserver agreement in @ patients with hepatocellular carcinoma ( HCC ) before and @ month after intra-arterial therapy ( IAT ) using two semi-automated methods and a manual approach for the following functional , volumetric and morphologic parameters : ( @ ) apparent diffusion coefficient ( ADC ) , ( @ ) arterial phase enhancement ( AE ) , ( @ ) portal venous phase enhancement ( VE ) , ( @ ) tumor volume , and assessment according to ( @ ) the Response Evaluation Criteria in Solid Tumors ( RECIST ) , and ( @ ) the European Association for the Study of the Liver ( EASL ) .