Consider the following medical report that includes the patient's historical health records. Use it to predict the disease that the patient is high likely exposed to. 

 Medical Report: allergies: patient recorded as having no known allergies to drugs attending: addendum: the patient was called at home the morning after discharge () and instructed to decrease the dexamethasone to 2mg po bid. he will return to the brain clinic on monday . discharge disposition: home md procedure: other operations on extraocular muscles and tendons other excision or destruction of lesion or tissue of brain arteriography of cerebral arteries ventricular shunt to abdominal cavity and organs diagnoses: obstructive hydrocephalus long-term (current) use of steroids hyposmolality and/or hyponatremia other convulsions intracerebral hemorrhage aphasia hemiplegia, unspecified, affecting unspecified side neoplasm of uncertain behavior of brain and spinal cord personality change due to conditions classified elsewhere 

Answer: The patient is high likely exposed to