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 63-year-old male experiencing substernal chest pain and diaphoresis on after exercise. on the patient experienced markedly increased chest pain and shortness of breath, worsening with exertion. the patient was admitted to emergency room on for right lower lobe pneumonia and positive troponin. ekg at that time showed lateral lead st depression. echocardiogram showed ejection fraction of 40% with inferior and posterior wall motion abnormality and mild mr. past medical history: significant for hypertension, chronic back pain and left foot drop. cath at the time showed the left main were normal, lad 90%, mid section occluded, left circumflex 80% occluded, rca 100% occluded. medications: home medications included protonix 40 mg po q d, aspirin 325 mg po q d, lopressor 12.5 mg po tid, diovan 80 mg po q d, lovenox 100 mg subcu , colace, humibid 1200 mg po bid, valium 5 mg po q 4-6 hours prn, albuterol nebs. hospital course: the patient was taken by dr. to the or and underwent cabg times three on with lima to lad, svg to om and svg to pda. postoperatively the patient did well. however, the patient was extubated and went off drips without any incidents. however, we did decide to keep the patient in the icu for two extra days because of his pre-op pneumonia. the patient was on ceftriaxone since the day of admission and postoperatively the patient did well, afebrile and was able to transfer to the floor on postoperative day #2. the only complication is patient experienced atrial fibrillation on postoperative day #2, was started on amiodarone and was rate controlled with lopressor. the patient's vital signs were stable, was never hypotensive and on the floor patient underwent physical therapy and was ambulating at level with assistance. the rest of the postoperative course was unremarkable and upon discharge the patient's lungs were clear to auscultation, the incision was clean, dry and intact, no drainage, no pus. heart was normal sinus rhythm and sternum was stable. upon discharge his white count was 12.2, hematocrit 29.2, bun 30, creatinine .9. discharge medications: ceftriaxone 1 gm iv q d times 6 days, amiodarone 400 mg po tid times 6 days, then 400 mg po bid times one week, then 400 mg po q d, lopressor 12.5 mg po bid, albuterol nebs q 4-6 hours prn, lasix 20 mg po bid times 10 days, potassium chloride 20 meq po bid times 10 days, valium 5 mg po q 4-6 hours prn, percocet 1-2 tablets po q 4-6 hours prn, aspirin 81 mg po q d, protonix 40 mg po q d, lovenox 100 mg subcu . upon discharge patient was stable and afebrile. the patient will be discharged to a rehab facility and told to follow-up with dr. in weeks. , m.d. dictated by: medquist36 procedure: single internal mammary-coronary artery bypass extracorporeal circulation auxiliary to open heart surgery combined right and left heart cardiac catheterization coronary arteriography using two catheters (aorto)coronary bypass of two coronary arteries angiocardiography of left heart structures diagnoses: pneumonia, organism unspecified congestive heart failure, unspecified unspecified essential hypertension cardiac complications, not elsewhere classified ventricular fibrillation lumbago acute myocardial infarction of inferoposterior wall, initial episode of care 

Answer: The patient is high likely exposed to