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 65 year old left handed gentleman who is on coumadin for new onset of atrial fibrillation who presents with increase in left leg clumsiness and headaches for the past five days. magnetic resonance scan at outside hospital showed a large subdural hematoma discovered on the right with mass effect and midline shift by one centimeter. the patient does not recall any history of head trauma within the past few months. he states that five days ago he awoke with an occipital headache radiating to his jaw and behind his eyes, more severe than headaches in the past. on sunday, he had an episode of stumbling and falling with no head trauma secondary to unsteadiness. since then, the family has noted that he has had increasing difficulty with his balance. he went to his primary care physician's office two days ago. the patient was told he had had a transient ischemic attack and was scheduled for a magnetic resonance scan. he denies nausea, vomiting, dizziness, no visual changes, no comprehension problems or speech difficulty. on physical examination, he was afebrile and heart rate was 88, blood pressure 172/91, respiratory rate 20. he was a gentleman in no acute distress. neurologically, speech was fluent. repetition intact and he was having no word finding difficulties. cranial nerves - the pupils are 2.5 down to 1.5. extraocular movements are full. funduscopic examination showed optic nerve normal, no papilledema. facial symmetry was intact. sensation was intact. tongue was midline. his motor strength was 4+ out of five ni the bilateral biceps, on the right side, 4+/5 in the finger extension, anterior tibialis, gastrocnemius and extensor hallucis longus on the left side. reflexes were 2+ throughout except for the ankles that are 1+ and toes were downgoing. he had a negative bilaterally. his finger-to-nose examination was intact although slightly slow on the left. his head ct showed a right subdural hematoma with mass effect and midline shift by one centimeter. chest x-ray showed no acute cardiopulmonary process. hospital course: he was on coumadin, new onset atrial fibrillation, and was admitted to the intensive care unit for observation and drainage of the subdural hematoma. the patient had his inr corrected down to 1.3 and underwent bedside drainage of the subdural hematoma without complication by dr. . the patient's neurologic status remained stable. he was awake, alert and oriented times three moving all extremities with good strength with no complaints and strength remained . he was fully awake and alert. the drain stayed in place over a 24 hour period. he had a repeat head ct which showed good evacuation of the subdural hematoma and the drain was discontinued on postprocedure day number two which was . he remained neurologically intact. he was seen by physical therapy and occupational therapy and cleared for transfer to the floor. however, there was no bed and the patient remained in the intensive care unit. physical therapy cleared him for home. he was discharged in stable condition with follow-up with his primary care physician for his atrial fibrillation. due to his inability to go back on coumadin, he was started on lopressor 25 mg p.o. twice a day and continued on dilantin 100 mg p.o. three times a day times one week. he will follow-up with dr. in two weeks time with a repeat head ct and follow-up with his primary care physician for continued workup of his atrial fibrillation. condition on discharge: stable. , m.d. dictated by: medquist36 procedure: incision of cerebral meninges diagnoses: pure hypercholesterolemia unspecified essential hypertension atrial fibrillation unspecified fall subdural hemorrhage following injury without mention of open intracranial wound, with no loss of consciousness 

Answer: The patient is high likely exposed to