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: keflex attending: addendum: this patient was discharged with metoprolol 25 mg tid previous d/c summmary states both 25 mg tid and 50mg tid discharge disposition: home with service facility: vna md procedure: single internal mammary-coronary artery bypass extracorporeal circulation auxiliary to open heart surgery (aorto)coronary bypass of two coronary arteries thoracentesis diagnoses: anemia, unspecified coronary atherosclerosis of native coronary artery esophageal reflux unspecified pleural effusion unspecified acquired hypothyroidism cardiac complications, not elsewhere classified atrial fibrillation personal history of malignant neoplasm of prostate myelodysplastic syndrome, unspecified hypotension, unspecified surgical operation with anastomosis, bypass, or graft, with natural or artificial tissues used as implant causing abnormal patient reaction, or later complication, without mention of misadventure at time of operation accidents occurring in residential institution personal history of malignant neoplasm of tongue 

Answer: The patient is high likely exposed to