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 is a 79 year old female with known aortic stenosis for many years. the patient has been followed with echocardiogram every three to four months and on the last echocardiogram in , the patient's gradient was significantly increased. the patient was referred for cardiac catheterization. catheterization on the day of admission showed that the patient had a severe aortic stenosis and the patient was referred for aortic valve replacement. on catheterization, the patient had no coronary artery disease. the patient had severe aortic stenosis with aortic valve area of 0.6 and gradient of 35, ejection fraction of 60 percent, and no mitral regurgitation. past medical history: chronic obstructive pulmonary disease. asbestosis. breast cancer, status post right mastectomy seven years ago. diverticulosis. glaucoma. cataracts, status post surgery. cough. allergies: no known drug allergies. medications on admission: 1. propranolol 40 mg p.o. once daily. 2. cozaar 100 mg p.o. once daily. 3. norvasc 5 mg p.o. once daily. 4. triminol 100 mg p.o. twice a day. 5. xalatan 0.005 percent one drop q.h.s. 6. lipitor 20 mg p.o. once daily. 7. aspirin 325 mg p.o. once daily. 8. vitamin b12 injection q.month. social history: the patient lives alone, widowed, and the patient has family in the area. the patient quit smoking approximately ten years ago. the patient drinks approximately two to three glasses of wine every night. family history: no coronary artery disease in the family. physical examination: generally, the patient is alert and oriented times three, appropriate. the patient's neurologic examination was grossly intact. the patient's had iii/vi systolic ejection murmur best heard on the right sternal border with radiation to the carotids. the patient's chest was clear to auscultation. the patient's abdomen was soft, round, nontender, nondistended with positive bowel sounds. extremities had no varicosities. there were spider veins, two plus dorsalis pedis and posterior tibial bilaterally, and no edema bilaterally and two plus femoral bilaterally. hospital course: the patient was admitted to the cardiac surgery service and the patient underwent an aortic valve replacement with number 19 mosaic porcine valve on hospital day number two for severe aortic stenosis and congestive heart failure. please see the dictated operative note for details of the operation. postoperatively, the patient was admitted to the cardiac intensive care unit. the patient had no significant problems. postoperatively, the patient was extubated and the patient had low cardiac index so the patient received some fluid boluses to which she responded without any difficulties. the patient remained afebrile with stable vital signs. the patient's hematocrit was stable at 30.2 and creatinine was 0.6. the patient was on no drips and the patient was transferred to the floor on postoperative day number one. on postoperative day number two, the patient remained afebrile with stable vital signs. the patient had no significant issues. the patient's chest tubes and wires were removed and the patient's physical therapy was increased. on postoperative day number three, the patient had no events. the patient continued to remain afebrile with stable vital signs. the patient continued to work with physical therapy, being out of bed, ambulating. the patient's oxygen was weaned down from three liters. on postoperative day number four, the patient remained afebrile with stable vital signs and the patient was in no apparent distress. chest was clear. the patient was discharged home in good condition. discharge diagnoses: chronic obstructive pulmonary disease. asbestosis. breast cancer, status post mastectomy seven years ago. diverticulosis. glaucoma. cataracts, status post surgery. severe aortic stenosis, status post aortic valve replacement. medications on discharge: 1. lopressor 12.5 mg p.o. twice a day. 2. lasix 20 mg p.o. twice a day for seven days. 3. potassium 20 meq p.o. twice a day for seven days. 4. colace 100 mg p.o. twice a day. 5. zantac 150 mg p.o. twice a day. 6. aspirin 325 mg p.o. once daily. 7. percocet one to two tablets q4hours p.r.n. pain. 8. atorvastatin 20 mg p.o. once daily. disposition: the patient was discharged home with vna services. condition on discharge: stable. follow up: the patient is to follow-up with dr. in three to four weeks. please follow-up with primary care physician, . and her cardiologist dr , in three to four weeks. , procedure: extracorporeal circulation auxiliary to open heart surgery combined right and left heart cardiac catheterization coronary arteriography using two catheters angiocardiography of left heart structures diagnostic ultrasound of heart open and other replacement of aortic valve with tissue graft diagnoses: pure hypercholesterolemia congestive heart failure, unspecified chronic airway obstruction, not elsewhere classified aortic valve disorders personal history of malignant neoplasm of breast 

Answer: The patient is high likely exposed to