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 60-year-old right-handed man with a history of hypertension who was in a casino and seemed to be well at 4 p.m. on the day of admission. at 4:20 p.m., it was noted that he had left arm weakness and slurred speech. he was taken to the hospital in , and ct revealed hypodensity in the right superior division of the mca and narrow right mca. no tva was given at that time. he was sent to for further management. mri showed right superior division mca and internal carotid occlusion. he was taken for angiogram which confirmed the right internal carotid complete occlusion, a left internal carotid artery plaque and a right avm. past medical history: noncontributory. medications on admission: none. allergies: no known drug allergies. family history: father died in his 40s of myocardial infarction. social history: he has tobacco use. he lives with his wife. physical examination: general: he was alert and speaking fluently. he has good naming and repetition. no .................... he had left facial droop and right gaze preference. he had antigravity strength in his right arm and leg but able to offer only moderate resistance on the left side. his left toe was up. hospital course: the patient was admitted initially to the neurology intensive care unit after his angiogram. he was started on aspirin while in the intensive care unit. while on the medical floor after further history taking, it was revealed that he had an allergy to ampicillin, and he also disclosed of a 20 pack-year history of smoking. the patient was started on coumadin on for the purpose of anticoagulation. the vascular surgery service was consulted, and initially they felt that he was a candidate for carotid endarterectomy; however, carotid duplex showed stenosis of 60-69% and felt that there was no indication for carotid endarterectomy on the left side. the patient will be discharged to rehabilitation on . discharge medications: aspirin 325 mg p.o. q.d., coumadin 5 mg p.o. q.h.s. with a goal inr of , tylenol 650 mg p.o. q.4-6 hours p.r.n., zantac 150 mg p.o. b.i.d. follow-up: the patient will follow-up with me, dr. , as an outpatient. , m.d. dictated by: medquist36 procedure: arteriography of cerebral arteries diagnoses: pure hypercholesterolemia tobacco use disorder unspecified essential hypertension occlusion and stenosis of multiple and bilateral precerebral arteries with cerebral infarction hemiplegia, unspecified, affecting unspecified side unspecified congenital anomaly of brain, spinal cord, and nervous system 

Answer: The patient is high likely exposed to