History of left acoustic neuroma status post stereotactic radiosurgery. There is an unchanged homogeneously enhancing left vestibular tumor that measures up to 12 mm. There is no extension through the porus acusticus or into the labyrinthine structures. The right internal auditory canal is intact. There is an unchanged 10 mm diameter cystic pineal gland without nodular enhancement. There are bilateral lens implants. The imaging potions of the skull, including prominent right occipital arachnoid granulations, are unchanged.
No significant interval change in left vestibular schwannoma.