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: the patient is a 71-year-old male who had underwent a coronary artery bypass graft x3 on . the patient noticed new sternal wound drainage with a cough on . the patient denied any fevers, chills, sweats, anorexia or dry heaves. the patient, however, did have a temperature of 102?????? when he presented to the hospital emergency room on the . blood glucoses had ranged around 130s at home. the patient's recovery from his coronary artery bypass graft had been otherwise unremarkable. past medical history: 1. osteoarthritis 2. congestive heart failure 3. atrial fibrillation 4. hypercholesterolemia 5. peripheral vascular disease 6. transient ischemic attacks 7. hypothyroidism 8. diabetes mellitus past surgical history: 1. appendectomy 2. carotid endarterectomy in 3. coronary artery bypass graft x3 done on . home medications: 1. celexa 15 2. captopril 75 qd 3. prilosec 20 mg qd 4. aspirin 81 mg qd 5. insulin 70/30 30 mg 6. lasix 40 mg 7. coumadin 4 mg qd allergies: quinidine, shellfish and intravenous contrast physical examination: vital signs: the patient presented with a fever of 101.1??????, heart rate of 102, blood pressure of 152/56, respiratory rate 20 and an o2 saturation of 96% on 2 liters. general: the patient was alert and oriented x3 with a regular heart rate. chest: clear to auscultation bilaterally. the sternum did not show an unstable click, but a draining sternal wound was opened, which probed down to the bone. there was nonunion of the sternum with purulence from the deep tissues. minimal amounts of skin erythema were seen at the superior aspects of the wound. abdomen: obese, soft, nontender. extremities: the right lower extremity saphenectomy site was healing well with several areas of dry eschar. feet were warm bilaterally. admission laboratories: white count of 10.4, hematocrit of 28.8, platelet count of 284. the patient's sodium was 127, creatinine was 1.5. coagulations showed a ptt of 33.1 and an inr of 2.7. hospital course: the patient was admitted to the cardiothoracic surgery service for care of his sternal wound. the patient was begun on vitamin k and ffp to correct his coagulopathy with an inr of 2.7. the patient was fluid restricted to 1 liter po for his hyponatremia. the patient was also started upon vancomycin and levofloxacin intravenous for his wound infection and infectious disease consult was obtained. cultures taken from the wound at that time grew out methicillin sensitive staphylococcus aureus. a blood culture from the 25th was also positive for methicillin sensitive staphylococcus aureus. , m.d. dictated by: medquist36 procedure: local excision of lesion or tissue of bone, scapula, clavicle, and thorax [ribs and sternum] local excision of lesion or tissue of bone, scapula, clavicle, and thorax [ribs and sternum] incision of chest wall graft of muscle or fascia attachment of pedicle or flap graft to other sites advancement of pedicle graft other repair or plastic operations on bone, scapula, clavicle, and thorax [ribs and sternum] local excision of lesion or tissue of bone, scapula, clavicle, and thorax [ribs and sternum] local excision of lesion or tissue of bone, scapula, clavicle, and thorax [ribs and sternum] incision of chest wall graft of muscle or fascia attachment of pedicle or flap graft to other sites advancement of pedicle graft other repair or plastic operations on bone, scapula, clavicle, and thorax [ribs and sternum] diagnoses: acute kidney failure with lesion of tubular necrosis other postoperative infection congestive heart failure, unspecified diabetes mellitus without mention of complication, type ii or unspecified type, not stated as uncontrolled hyposmolality and/or hyponatremia atrial fibrillation unspecified osteomyelitis, other specified sites accidental puncture or laceration during a procedure, not elsewhere classified urinary complications, not elsewhere classified 

Answer: The patient is high likely exposed to