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: discharge status: patient is being discharged to home. his hematocrit on discharge is 22. follow-up: patient is to follow-up in one month with dr. and he is to follow-up with his primary care physician, . , in one month as well. , m.d. dictated by: medquist36 d: 17:19 t: 17:19 job#: procedure: single internal mammary-coronary artery bypass extracorporeal circulation auxiliary to open heart surgery coronary arteriography using two catheters angiocardiography of left heart structures left heart cardiac catheterization diagnostic ultrasound of heart other esophagoscopy (aorto)coronary bypass of four or more coronary arteries other electric countershock of heart diagnoses: anemia, unspecified coronary atherosclerosis of native coronary artery esophageal reflux pure hypercholesterolemia unspecified essential hypertension diabetes mellitus without mention of complication, type ii or unspecified type, not stated as uncontrolled atrial fibrillation other and unspecified angina pectoris old myocardial infarction 

Answer: The patient is high likely exposed to