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 77 year-old male with four days of right upper quadrant abdominal pain worse with eating and the pain persisted and the patient presented to an outside hospital and underwent an ultrasound study, which showed cholelithiasis and cholecystitis. the patient also had a ct scan done at the outside hospital,which showed an inflamed gallbladder with inflammatory changes in the right upper quadrant. past medical history: coronary artery disease status post coronary artery bypass graft times two in . hypertension, barrett's esophagus and status post prostatectomy, herniated lumbar disc, renal stone, status post bilateral stent and status post right inguinal hernia repair. medications: 1. lopressor 15 mg po b.i.d. 2. aspirin 325 mg po q.d. 3. protonix 40 mg po q.d. 4. accupril 10 mg po q.d. allergies: iodine. physical examination: the patient had a fever of 101.6 and elevated white count at 13. his liver function tests were elevated. total bilirubin of 1.4. the patient also had sign on admission. the patient was taken by dr. to the emergency room on and underwent an open cholecystectomy and the patient also had the umbilical hernia, which was repaired at the same operation. postoperatively, the patient had an nasogastric tube placed and the patient had a morphine pca and foley placed. postoperatively, the patient did well. nasogastric tube was discontinued on postop day number one and foley catheter was discontinued on postop day number two. the patient was started on a clear diet on postoperative day number two. the patient tolerated diet well and has been passing flatus. the patient was deemed ready for discharge on postoperative day number four. prior to discharge the patient was afebrile, vital signs were stable. chest was clear. heart was regular rate and rhythm. abdomen was soft, nontender, nondistended. incision was clean, dry and intact. the patient's pain was controlled on po pain medication and the patient was tolerating a regular diet prior to discharge and has been passing flatus and the patient has been ambulating prior to discharge. discharge medications: 1. protonix 40 mg po q.d. 2. lopressor 50 mg po b.i.d. 3. percocet one to two tabs po q 4 to 6 hours prn. 4. levaquin 500 mg po q.d. 5. flagyl 500 mg po t.i.d. for ten days. 6. colace 100 mg po b.i.d. the patient is instructed to follow up with dr. in two weeks. discharge diagnoses: 1. cholelithiasis, cholecystitis status post open cholecystectomy and umbilical hernia repair. 2. coronary artery disease status post coronary artery bypass graft times two. 3. hypertension. 4. barrett's esophagus. 5. prostatectomy. 6. herniated lumbar disc. 7. renal stones status post bilateral stents. 8. status post right inguinal hernia repair. , m.d. dictated by: medquist36 procedure: cholecystectomy other open umbilical herniorrhaphy diagnoses: unspecified essential hypertension aortocoronary bypass status calculus of gallbladder with acute cholecystitis, without mention of obstruction umbilical hernia without mention of obstruction or gangrene 

Answer: The patient is high likely exposed to