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: this 23 year old white female who has been healthy has had dizziness and shortness of breath on exertion for eight months. she had a history of a heart murmur as a child and has been followed by her primary care physician who referred her for an echocardiogram which revealed mitral valve prolapse at the age of 15 years. she denies ever having symptoms until last winter. she had an echocardiogram which revealed severe mitral valve prolapse with four plus mitral regurgitation. she is now referred for mitral valve repair. cardiac echocardiogram on , revealed an ejection fraction of 50 to 55%, myxomatous mitral leaflets, moderate to severe mitral valve prolapse and four plus mitral regurgitation. past medical history: history of mitral valve prolapse. medications: she is not on any medications. allergies: she has no known allergies. family history: significant for coronary artery disease. social history: she has smoked one pack a day for ten years. she drinks five to ten beers per week. she works as a boat painter. review of systems: unremarkable. physical examination: on physical examination, she is a well developed, well nourished white female in no apparent distress. vital signs are stable. she is afebrile. heent examination: normocephalic, atraumatic. extraocular movements intact. oropharynx benign. neck was supple with full range of motion, no lymphadenopathy or thyromegaly. carotids two plus and equal bilaterally without bruits. lungs are clear to auscultation and percussion. cardiovascular examination is regular rate and rhythm, normal s1 and s2 with a iii/vi murmur best heard at the point of maximal impulse radiating to the left axilla. abdomen was soft, nontender, with positive bowel sounds; no masses or hepatosplenomegaly. extremities were without cyanosis, clubbing or edema. neurological examination was non-focal. her femoral pulses were two plus bilaterally. dorsalis pedis one plus bilaterally. posterior tibial two plus bilaterally. radial two plus bilaterally. hospital course: on , she underwent a minimally invasive mitral valve repair with a #32 ring. crossclamp time was two hours and fifteen minutes; total bypass time was two hours and forty-one minutes. she tolerated the procedure well and was transferred to the surgical intensive care unit in stable condition. she was extubated. on postoperative day one, she was transferred to the floor. on postoperative day two, she had her chest tube discontinued and epicardial pacing wires were discontinued. she did have a small right apical pneumothorax which was unchanged following drain discontinuation. she was discharged to home on postoperative day number three. laboratory: on discharge, white blood cell count 12,400, hematocrit 27.1, platelets 109. sodium 137, potassium 4.3, chloride 105, carbon dioxide 26, bun 8, creatinine 0.6, blood sugar 89. discharge medications: 1. lasix 20 mg p.o. q. day times one week. 2. kayciel 20 meq p.o. q. day times one week. 3. percocet one to two p.o. q. four to six hours p.r.n. pain. 4. iron 150 mg p.o. q. day. 5. vitamin c 500 units p.o. twice a day. 6. multivitamin one p.o. q. day. 7. ibuprofen 400 mg p.o. four times a day times one week. 8. atenolol 25 mg p.o. q. day. die instructions: 1. follow-up will be with dr. in one to two weeks. 2. follow-up with dr. in four weeks. , m.d. dictated by: medquist36 procedure: extracorporeal circulation auxiliary to open heart surgery open and other replacement of mitral valve diagnoses: tobacco use disorder mitral valve disorders 

Answer: The patient is high likely exposed to