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: unstable angina, cad major surgical or invasive procedure: cabg x4 (lima to lad, svg to om,rca, pda) history of present illness: mr. is a 68year old male with exertional angina x12 years, which is relieved with rest. he had a routine stress in ; the ett showed 3-4mm st depression in inferior and lateral leads with moderated fixd inferior wall defect; ef was 49%. he was initially reluctant to undergo surgery but has had increasing amounts of chest pain episodes. cardiac cath on showed 60% proximal rca, 90% mid rca, 70% r-post-lat, 50%lm, 90% proximal lad, 80% distal lad, 80% proximal lcx, and 90% om. past medical history: unstable angina cad htn hypercholesterolemia gerd social history: retired lithographer <15 pack year history, quit 35 years ago 2drinks/day beer+wine lives with wife in , ma family history: dad: died at age 41 of mi physical exam: on discharge: temp 99.4, hr 79, bp 150/56, r20, 93%ra nad rrr; incis: no soi cta-b s/nt/nd; +bs le incis: c/d/i, no soi brief hospital course: mr. was taken to the or for his cabg x4(lima to lad, svg to om, rca, pda). total cardiopulmonary bypass time was 83 minutes, total cross-clamp time was 72 minutes. please see dr. operative note for greater detail. he was transferred to the csru in stable condition. on pod#0, he was extubated, but was immediately reintubated because of a stridorous airway. hewas also hypotensive and levofed was started. he was re-extubated on pod#1 without incident. on pod#2, his chest tubes were removed and he was transferred to the floor. while on the floor, mr. was evaluated by physical therapy, and with inpatient treatments, they cleared him to go home by pod#4. his pacing wires were also removed on pod#2. on pod#3, his hematocrit was noted to be 23.7, down from the prior level of 25.7. mr. , however, was hemodynamically normal and asymptomatic. his iron supplements were continued; a repeat hematocrit on pod#4 was 24.4. again, mr. remained hemodynamically normal, asymptomatic, and no oozing from his incisions. at the time of discharge, he was cleared by physical therapy, tolerating a regular diet, voiding without difficulty, and had good pain control. he was discharged home in good condition. medications on admission: lopressor 50mg qid norvasc 5mg daily zocor 80mg daily asa 325mg daily lisinopril 20mg daily rolaids discharge medications: 1. furosemide 20 mg tablet sig: one (1) tablet po q12h (every 12 hours) for 4 weeks. 2. potassium chloride 10 meq capsule, sustained release sig: two (2) capsule, sustained release po q12h (every 12 hours) for 4 weeks. 3. docusate sodium 100 mg capsule sig: one (1) capsule po bid (2 times a day). 4. aspirin 325 mg tablet, delayed release (e.c.) sig: one (1) tablet, delayed release (e.c.) po qd (once a day). 5. oxycodone-acetaminophen 5-325 mg tablet sig: 1-2 tablets po q4h (every 4 hours) as needed for pain. 6. clopidogrel bisulfate 75 mg tablet sig: one (1) tablet po qd (once a day). 7. simvastatin 40 mg tablet sig: two (2) tablet po qd (once a day). 8. ranitidine hcl 150 mg tablet sig: one (1) tablet po bid (2 times a day). 9. polysaccharide iron complex 150 mg capsule sig: one (1) capsule po qd (once a day). 10. ascorbic acid 500 mg tablet sig: one (1) tablet po bid (2 times a day). 11. metoprolol tartrate 25 mg tablet sig: 0.5 tablet po bid (2 times a day). discharge disposition: home with service facility: discharge diagnosis: status post cabg x4 hypertension hypercholesterolemia discharge condition: good discharge instructions: if you experience any chest pain, difficulty breathing, nausea/vomiting, or fevers/chills, please seek medical attention. followup instructions: please call dr. for a follow-up appointment in 4 weeks: please follow up with your pcp . in weeks: procedure: continuous invasive mechanical ventilation for less than 96 consecutive hours single internal mammary-coronary artery bypass extracorporeal circulation auxiliary to open heart surgery (aorto)coronary bypass of two coronary arteries insertion of endotracheal tube diagnoses: other iatrogenic hypotension coronary atherosclerosis of native coronary artery intermediate coronary syndrome pure hypercholesterolemia unspecified essential hypertension surgical operation with anastomosis, bypass, or graft, with natural or artificial tissues used as implant causing abnormal patient reaction, or later complication, without mention of misadventure at time of operation 

Answer: The patient is high likely exposed to