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: chief complaint: mr. is a 76 yo gentleman who has a 1 year h/o worsening sob and exertional chest discomfort. major surgical or invasive procedure: s/p cabg/avr lima-lad, svg-om, svg-ramus, svg-pda avr-23mm ce perimount magna pericardial history of present illness: mr. has a 1 year h/o dyspnea on exertion and shortness of breath that has been gettting progressively worse. he underwent an ett which was positive for fatigue/dyspnea and st depression. past medical history: htn djd bph cad/aortic stenosis s/p turp social history: remote smoker llives with wife in drinks 1 glass of wine a day family history: sister-cabg at 72 pertinent results: 09:58am blood wbc-8.1 rbc-3.38* hgb-11.0* hct-31.2* mcv-93 mch-32.7* mchc-35.4* rdw-13.1 plt ct-300# 09:58am blood plt ct-300# 09:58am blood glucose-170* urean-23* creat-1.0 na-137 k-5.0 cl-99 hco3-27 angap-16 09:58am blood mg-2.4 brief hospital course: mr. was taken to the operating room with dr. on and underwent a cabgx4(lima-lad, svg-om, svg-ramus, svg-pda) and avr(23mm perimount magna pericardial bioprosthetic valve). please see operative note for full details. he was transported to the icu in stable condition. he was weaned and extubated from mechanical ventilation on his first postoperative evening without difficulty. he was noted in the early morning on post op day 1 to have l sided weakness and l sided facial droop. a neurology consult was obtained, and the patient underwent a ct scan of the head, which was read by the radiology department as no evidence of acute cva, however the neurology service felt that the patient had a right frontal subcortical hypodensity, consistent with subacute infarct thought to be due to an embolic event. it was recommended that the patient's blood pressure should remain higher than it was and he was started on neo-synephrine. over the next few days, his neurologic status improved, his deficits, which were mainly involving the proximal muscles in his lue and le. on post operative day 4, neurology decided that the neo-synephrine could be weaned to off as long as the patient's blood pressure remained above 120. this was done without difficulty and he was transferred to the regular part of the hospital later that day. the patient continued to progress well and on post operative day 7, he was cleared for discharge to a rehab facility. medications on admission: lotrel 5/10 qd aspirin qd discharge medications: 1. docusate sodium 100 mg capsule sig: one (1) capsule po bid (2 times a day). 2. ranitidine hcl 150 mg tablet sig: one (1) tablet po bid (2 times a day). 3. aspirin 81 mg tablet, delayed release (e.c.) sig: one (1) tablet, delayed release (e.c.) po daily (daily). 4. clopidogrel bisulfate 75 mg tablet sig: one (1) tablet po daily (daily). 5. oxycodone-acetaminophen 5-325 mg tablet sig: 1-2 tablets po q4h (every 4 hours) as needed for pain. 6. metoprolol tartrate 50 mg tablet sig: 1.5 tablets po bid (2 times a day). 7. furosemide 20 mg tablet sig: one (1) tablet po daily (daily) for 7 days. 8. potassium chloride 10 meq capsule, sustained release sig: two (2) capsule, sustained release po daily (daily) for 7 days. 9. ibuprofen 600 mg tablet sig: one (1) tablet po q6h (every 6 hours) as needed. 10. magnesium hydroxide 400 mg/5 ml suspension sig: thirty (30) ml po hs (at bedtime) as needed for constipation. 11. acetaminophen 325 mg tablet sig: two (2) tablet po q4h (every 4 hours) as needed. discharge disposition: extended care facility: - discharge diagnosis: as/cad s/p cabg/avr post op cva-r subcortical/corona radiata infarct-resolving htn bph djd discharge condition: good discharge instructions: you may take a shower and wash your incisions with mild soap and water do not swim or take a bath for 1 month do not drive for 1 month do not apply lotions, creams, ointments or powders to your incisions do not lift anything heavier than 10 pounds for 1 month followup instructions: follow up with dr. in weeks follow up dr. in weeks follow up with dr. /neurology in months ( follow up with dr. in weeks procedure: (aorto)coronary bypass of three coronary arteries single internal mammary-coronary artery bypass extracorporeal circulation auxiliary to open heart surgery open and other replacement of aortic valve with tissue graft continuous intra-arterial blood gas monitoring diagnoses: coronary atherosclerosis of native coronary artery unspecified essential hypertension aortic valve disorders hypertrophy (benign) of prostate without urinary obstruction and other lower urinary tract symptom (luts) family history of ischemic heart disease iatrogenic cerebrovascular infarction or hemorrhage 

Answer: The patient is high likely exposed to