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: patient recorded as having no known allergies to drugs attending: addendum: mr. was seen by dr. of general surgery for his hemmorrhoids. there was no obvious hemmorrhoid and they recommended high fiber diet, metamucil, and, follow up with dr. in weeks. discharge disposition: home with service facility: daughter in law md procedure: single internal mammary-coronary artery bypass extracorporeal circulation auxiliary to open heart surgery (aorto)coronary bypass of two coronary arteries excision, destruction, or exclusion of left atrial appendage (laa) diagnoses: coronary atherosclerosis of native coronary artery esophageal reflux intermediate coronary syndrome unspecified essential hypertension atrial fibrillation other and unspecified hyperlipidemia other ill-defined heart diseases 

Answer: The patient is high likely exposed to