Large, mixed signal intensity mass that is predominantly multicystic, multiseptate with heterogeneously enhancing solid lobulated component in the right middle cranial fossa centered in the right temporal lobe. It exhibits significant mass effect effacing the right frontal and parietal lobes, and causing leftward subfalcine and downward transtentorial herniation. There is compression of the right lateral ventricle, and mild dilatation of the left lateral ventricle.