A 61-year-old man who died of adrenocortical carcinoma is reported. Stump specimens were prepared from the cut surface of a metastatic tumor in the liver obtained by autopsy. The specimens showed a necrotic background with numerous apoptotic bodies. The tumor cells formed loosely cohesive clusters. The nuclei showed atypia and anisonucleosis and the cytoplasm was granular or vacuolated. Mitotic figures were occasionally observed. These findings were compatible with a diagnosis of adrenocortical carcinoma, but the tumor cells resembled those of a renal cell carcinoma or hepatocellular carcinoma both cytologically and histologically.