 The ventricles and sulci are within normal limits. The cisterns remain patent. There is no midline shift or mass effect. There are no areas of abnormal signal or pathological enhancement. There is no diffusion abnormality. No extra-axial fluid collection is identified.Normal flow-voids are demonstrated in the major intracranial vascular structures. The midline structures and craniocervical junction are within normal limits. The cerebellar tonsils remain somewhat low lying especially on the left although with normal configuration. There is stable left parieto-occipital plagiocephaly. The mucosal thickening within the paranasal sinuses is significantly improved since the previous study. There is persistent trace fluid in the mastoids.NECK
1. Continued stable post treatment changes relating to previous left parotid space rhabdomyosarcoma. No definite recurrent mass. 2. Stable appearance of nonspecific enlarged right level 2a lymph node.3. Essentially unremarkable contrast enhanced MRI brain. Interval significant improvement in paranasal sinus disease.