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: no known allergies / adverse drug reactions attending: addendum: upon examination this morning midsternal incision drainage was expressed. scant amount of serosanguinous drainage, no erythema. no /click. discussed with dr.. per dr., pt to be placed on keflex x 10 day course. pt will be advised to see dr. in clinic this upcoming tues to reeval sternal wound. discharge disposition: home with service facility: vna of greater md procedure: single internal mammary-coronary artery bypass extracorporeal circulation auxiliary to open heart surgery (aorto)coronary bypass of four or more coronary arteries diagnoses: anemia, unspecified coronary atherosclerosis of native coronary artery atrial fibrillation other and unspecified hyperlipidemia long-term (current) use of insulin diabetes with ophthalmic manifestations, type ii or unspecified type, not stated as uncontrolled background diabetic retinopathy chronic total occlusion of coronary artery 

Answer: The patient is high likely exposed to