Metastatic mesothelioma to brain, MRI for SRS planning: visual field deficit. There is a heterogeneous mass in the right occipital lobe that measures up to 4 cm, with extensive surrounding vasogenic edema. There is effacement of the right occipital horn of the lateral ventricle. There is no midline shift or herniation. The major cerebral flow voids are intact. The orbits, skull, paranasal sinuses, and scalp soft tissues are unremarkable.
Pretreatment planning MRI for a right occipital lobe mass.