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: chest pain; decreased exercise tolerance major surgical or invasive procedure: - aortic valve replacement, 25 mm mosaic tissue (porcine)valve. history of present illness: 76 year old gentleman with known aortic stenosis who has been followed by serial echocardiograms. his most recent echocardiogram has demonstrated worsening aortic stenosis as well as aortic regurgitation in the setting of left ventricular hypetropy. he is mildly symptomatic with chest pain with activity and a decreased exercise tolerance. given the progression of his disease, he has been referred for surgical evaluation. cardiac cath done today for pre-op w/u revelaed nl. cors. past medical history: aortic stenosis/aortic insufficiency depression basal cell skin cancer ocular migraines mild hypothyroidism mild memory loss svt social history: last dental exam: every 6 months lives with: alone occupation: retired tobacco: denies etoh: denies family history: brother with af physical exam: pulse:61 resp: o2 sat: 99% b/p right:146/60 left:146/69 height: 68" weight: 140 (63.5 kg) general: wdwn in nad skin: dry, warm and intact. multiple actinic keratosis. some seborrheic keratosis noted. few well healed small scars. heent: ncat perrla eomi sclera anicteric; op benign neck: supple full rom no jvd chest: lungs clear bilaterally anterolaterally ( on bedrest) heart: rrr, iv/vi holosystolic murmur radiates to carotids abdomen: soft non-distended non-tender bowel sounds + extremities: warm , well-perfused edema -none varicosities: none (lying down on bedrest) several small healed scars ble neuro: grossly intact. mild word finding difficulty. pulses: femoral right:cath dressing in place left:2 dp right:2 left:2 pt :2 left:2 radial right:2 left:2 carotid bruit- transmitted vs. bruit bilaterally pertinent results: 05:10am blood wbc-5.5 rbc-3.51* hgb-10.8* hct-30.1* mcv-86 mch-30.8 mchc-35.9* rdw-13.3 plt ct-169# 05:10am blood glucose-110* urean-21* creat-1.0 na-137 k-4.2 cl-101 hco3-29 angap-11 05:10am blood mg-2.2 history: status post avr with pleural effusion, evaluate for interval change. findings: the cardiomediastinal and hilar contours are unchanged. bilateral small pleural effusions have slightly decreased. there has been improved aeration of the retrocardiac opacity with only minimal atelectasis remaining. no focal consolidation or pneumothorax. sternotomy wires are intact. patient is status post aortic valve replacement. impression: 1) improved small bilateral pleural effusions with associated atelectasis. improved aeration in the retrocardiac region. the study and the report were reviewed by the staff radiologist. dr. dr. approved: 4:03 pm imaging lab brief hospital course: mr. was admitted to the on for surgical management of his aortic valve disease. he was taken directly to the operating room where he underwent an aortc valve replacement using a tissue porcine prothesis. please see operative note for details. postoperatively he was taken to the intensive care unit for monitoring. over the next several hours awoke neurologically intact and was extubated. on postoperative day one, he was transferred to the step down unit for further recovery. he was gently diuresed toward his preop weight. chest tubes and pacing wires removed per protocol. continued to make good progress and was cleared for discharge to newbridge on rehab on pod #4. all f/u appts were advised. medications on admission: remeron 15mg at bedtime ativan 0.5mg prn discharge medications: 1. docusate sodium 100 mg capsule sig: one (1) capsule po bid (2 times a day) for 1 months. 2. ranitidine hcl 150 mg tablet sig: one (1) tablet po bid (2 times a day) for 2 weeks. 3. aspirin 81 mg tablet, delayed release (e.c.) sig: one (1) tablet, delayed release (e.c.) po daily (daily). 4. oxycodone-acetaminophen 5-325 mg tablet sig: 1-2 tablets po q4h (every 4 hours) as needed for pain. 5. metoprolol tartrate 25 mg tablet sig: one (1) tablet po tid (3 times a day). 6. mirtazapine 15 mg tablet sig: two (2) tablet po hs (at bedtime). 7. furosemide 20 mg tablet sig: one (1) tablet po once a day for 1 weeks. 8. potassium chloride 20 meq tab sust.rel. particle/crystal sig: one (1) tab sust.rel. particle/crystal po daily (daily) for 1 weeks: hold for k+ > 4.5. discharge disposition: extended care facility: newbridge on the discharge diagnosis: aortic stenosis/aortic insufficiency s/p avr depression basal cell skin cancer ocular migraines mild hypothyroidism mild memory loss svt discharge condition: alert and oriented x3 nonfocal ambulating with steady gait incisional pain managed with oral analgesics incisions: sternal - healing well, no erythema or drainage edema - discharge instructions: please shower daily including washing incisions gently with mild soap, no baths or swimming until cleared by surgeon. look at your incisions daily for redness or drainage please no lotions, cream, powder, or ointments to incisions each morning you should weigh yourself and then in the evening take your temperature, these should be written down on the chart no driving for approximately one month and while taking narcotics, will be discussed at follow up appointment with surgeon when you will be able to drive no lifting more than 10 pounds for 10 weeks please call with any questions or concerns **please call cardiac surgery office with any questions or concerns . answering service will contact on call person during off hours** followup instructions: you are scheduled for the following appointments surgeon: , md phone: date/time: 1:15 cardiologist: md on at 10am please call to schedule appointments with your primary care dr. in weeks ,: date/time: 1:00 **please call cardiac surgery office with any questions or concerns . answering service will contact on call person during off hours** procedure: extracorporeal circulation auxiliary to open heart surgery open and other replacement of aortic valve with tissue graft diagnoses: unspecified acquired hypothyroidism atrial fibrillation aortic valve disorders dysthymic disorder other and unspecified hyperlipidemia other specified cardiac dysrhythmias memory loss 

Answer: The patient is high likely exposed to