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: exertional chest pain major surgical or invasive procedure: four vessel coronary artery bypass grafting(lima to lad, svg to om, svg to pda, svg to plv) history of present illness: mr. is a 49 year old male with known history of coronary artery disease who had complaints of exertional chest pain for the last several months. the chest pain radiated to his left arm with severe exertion and was relieved with rest. following an abnormal stress test, he underwent cardiac catheterization at which revealed severe three vessel coronary artery disease. lv gram was notable for inferior hypokinesis and a lvef of 45%. based upon the above results, he was transferred to the for further evaluation and treatment. past medical history: coronary artery disease - stenting to lad and diagonal in hypertension hyperlipidemia chronic lower back pain social history: employed as a contractor. denies tobacco. occasional etoh, no history of abuse. married, lives with wife. family history: father died of an mi at age 69. physical exam: pertinent results: echo: the left atrium is mildly dilated. the right atrium is moderately dilated. left ventricular wall thickness, cavity size and regional/global systolic function are normal (lvef >55%). right ventricular chamber size and free wall motion are normal. the ascending aorta is mildly dilated. the aortic valve leaflets (3) appear structurally normal with good leaflet excursion and no aortic regurgitation. the mitral valve leaflets are mildly thickened. trivial mitral regurgitation is seen. there is no pericardial effusion. carotid ultrasound: no significant plaque or stenosis seen bilaterally. essentially, normal carotid bifurcation exam for age. brief hospital course: mr. was admitted to the cardiac surgical service and underwent routine preoperative evaluation. workup was essentially unremarkable and he was cleared for surgery. he remained pain free on medical therapy. on , dr. performed coronary artery bypass grafting surgery. for surgical details, please see seperate dictated operative note. following the operation, he was hemodynamically stable on no pressors. he was brought to the cvicu for invasive monitoring. within 24 hours, he awoke neurologically intact and was extubated without incident. low dose beta blockade was resumed. he maintained good hemodynamics and transferred to the sdu on postoperative day one. the patient made excellent progress on the floor. by pod 3 chest tubes and pacing wires h ad been discontinued, the patient was ambulating freely, the wound was healing, and pain was controlled by analgesics. he was discharged to home in good condition on pod ********** medications on admission: aspirin 81 qd, lipitor 10 qd, toprol xl 100 qd, fish oil, mv discharge medications: 1. potassium chloride 20 meq tab sust.rel. particle/crystal sig: one (1) tab sust.rel. particle/crystal po once a day for 7 days. disp:*7 tab sust.rel. particle/crystal(s)* refills:*0* 2. docusate sodium 100 mg capsule sig: one (1) capsule po bid (2 times a day) for 1 months. disp:*60 capsule(s)* refills:*0* 3. ranitidine hcl 150 mg tablet sig: one (1) tablet po twice a day for 1 months. disp:*60 tablet(s)* refills:*0* 4. aspirin 81 mg tablet, delayed release (e.c.) sig: one (1) tablet, delayed release (e.c.) po daily (daily). disp:*30 tablet, delayed release (e.c.)(s)* refills:*0* 5. oxycodone-acetaminophen 5-325 mg tablet sig: 1-2 tablets po q4h (every 4 hours) as needed for pain. disp:*60 tablet(s)* refills:*0* 6. atorvastatin 10 mg tablet sig: one (1) tablet po daily (daily). disp:*30 tablet(s)* refills:*0* 7. thiamine hcl 100 mg tablet sig: one (1) tablet po daily (daily). disp:*30 tablet(s)* refills:*0* 8. multivitamin tablet sig: one (1) tablet po daily (daily). disp:*30 tablet(s)* refills:*0* 9. folic acid 1 mg tablet sig: one (1) tablet po daily (daily). disp:*30 tablet(s)* refills:*0* 10. toprol xl 100 mg tablet sustained release 24 hr sig: one (1) tablet sustained release 24 hr po once a day. disp:*30 tablet sustained release 24 hr(s)* refills:*0* 11. furosemide 20 mg tablet sig: one (1) tablet po once a day for 7 days. disp:*7 tablet(s)* refills:*0* discharge disposition: home with service facility: discharge diagnosis: coronary artery disease s/p coronary artery bypass grafts s/p coronary angioplasty and stenting hypertension hyperlipidemia chronic lower back pain discharge condition: good discharge instructions: shower daily, no baths or swimming no ointments, lotions and creams or powders to incisions. no lifting more than 10 lbs for 10 weeks from the surgical date no driving for one month from surgical date. report any fever more than 100.5, or redness or discharge from wounds report any weight gain greater than 2 pounds in a day or 5 pounds in a week take all medications as directed followup instructions: dr. in weeks,() call for appointment dr. in weeks, call for appointment dr. in weeeks, call for appointment 6 in 2 weeks for wound check procedure: (aorto)coronary bypass of three coronary arteries single internal mammary-coronary artery bypass extracorporeal circulation auxiliary to open heart surgery diagnoses: coronary atherosclerosis of native coronary artery intermediate coronary syndrome unspecified essential hypertension percutaneous transluminal coronary angioplasty status other and unspecified hyperlipidemia lumbago 

Answer: The patient is high likely exposed to