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After an initial ultrasound, multiphase CT of the abdomen is performed. The CT reveals a nodular mass in the left lobe of liver involving the segments IIA and IIB. The mass shows an intense enhancement in the arterial phase. The tumor is supplied by the left hepatic artery which is hypertrophied. The portal venous phase reveals mass becoming isodense to the liver parenchyma. There are early draining veins from the mass. No definite central scar is seen. The mass appears to project along the inferior margin of the left lobe of liver.
Findings consistent with focal nodular hyperplasia.