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: history of present illness: the patient is a 57 year old male with known brain bleed with plus or minus a mass underlying the bleed. the patient presented originally with complaints of headache and word finding difficulties. he was discharged from the neurosurgical service on on steroids and dilantin. he presented on to the emergency room with increasing confusion and difficulty with word finding difficulties. the symptoms were worse on the day of admission and he was unable to contribute a significant history due to his obvious difficulty with word finding. he does nod his head yes or no at appropriate times. unclear if the answers are accurate, however, he admits to increasing headaches since and increased weakness of his legs but unable to communicate how long the weakness has been occurring. past medical history: benign. medications: benadryl, decadron taper to 2 mg tid, dilantin 100 mg tid and pepcid 20 mg qd. allergies: no known allergies. physical examination: in general he is awake, alert and he is unable to answer questions of orientation. his pupils equal, round and reactive to light. extraocular movements are full. he has no nystagmus. his cardiovascular is regular rate and rhythm. his lungs are clear to auscultation bilaterally. the abdomen is soft, non-tender, non-distended. he has positive bowel sounds. neurologically, cranial nerves are intact. he has no drift. he is unable to repeat. he is unable to name. his strength is in all muscle groups in the upper extremities. in the lower extremities the strength is on the right and on the left. a ct scan done shows a moderate amount of edema with slight increase in massive bleed since his last ct scan on . he was admitted to the neurosurgical service. he was taken to the operating room for evacuation of this larger mass. the patient postoperatively was awake and alert. it was difficult to ascertain his orientation secondary to his difficulty with word finding. he had no pronator drift. his pupils equal, round and reactive to light. extraocular movements are full. he was unable to state his name. his grasps were full bilaterally. his repetition was not intact. he was unable to name basic objects. he was able to move all extremities with good strength. cranial nerves were grossly intact. he spent the night in the recovery room overnight with q one hour neuro checks. his vital signs remained stable. he was afebrile. on postoperative day one he was transferred to the regular floor. he was out of bed and ambulating and tolerating a regular diet and voiding spontaneously. he had a repeat head ct that showed good evacuation of the mass. his neurologic status was stable and he was transferred to the regular floor. he was seen by physical therapy and occupational therapy and also speech therapy and felt to require a short rehab stay prior to discharge to home. medications at the time of discharge include decadron 3 mg po q 12 hours to wean off over one week, heparin 5,000 units subcutaneous tid, percocet one to two tablets po q four hours prn, colace 100 mg po bid, pantoprazole 40 mg po q 24 hours, dilantin 100 mg po tid. the patient's condition was stable at the time of discharge. his staples should be removed on postoperative day ten and follow up in the brain clinic in two weeks. his condition was stable at the time of discharge. , procedure: other incision of brain open biopsy of brain diagnoses: intracerebral hemorrhage late effects of cerebrovascular disease, hemiplegia affecting unspecified side late effects of cerebrovascular disease, aphasia 

Answer: The patient is high likely exposed to