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: a 78-year-old woman with history of hypertension, coronary artery disease who was at and was given lactulose for constipation. soon afterward, the patient developed 300 to 400 cc of bright red blood per rectum. vitals at the time were pulse of 85, blood pressure 118/66. the patient was sent to the emergency department by ambulance. in the emergency department, heart rate was 92, blood pressures 116/30, respirations 24. the patient was found to be guaiac positive. nasogastric lavage was performed, positive for blood. after 400 cc of fluid was infused, the patient was then admitted to the medical intensive care unit. the patient was given a total of 6 units of packed red blood cells between her stay in the emergency department and the medical intensive care unit as well as fresh frozen plasma. the patient was later evaluated by gastroenterology via esophagogastroduodenoscopy. analysis found a 3 mm venous fold in the esophagus and a healing 7 mm ulcer with no frank blood. the patient was advanced to clears in her diet and then to a soft regular diet. by it was felt that the patient was ready to go to the floor and if warranted return to rehabilitation. the patient was then admitted to firm medicine service. past medical history: hypertension, pvt, right iliac stent placed in . the patient also underwent a left carotid endarterectomy and her right carotid is noted to have a 70% stenosis. the patient also has an abdominal aortic aneurysm that last measured 3.9 cm, and prior myocardial infarction in , has had coronary artery disease with coronary arterial bypass graft which consisted of the following: saphenous vein graft to lad, saphenous vein graft to large om and saphenous vein graft to the rca. social history: the patient is a widow, husband died of cancer approximately seven years ago. she has a 75 pack year history of smoking, notes occasional alcohol. denies illicit drugs. outpatient medications: 1. amiodarone 200 mg qd 2. captopril 12.5 mg tid 3. digoxin 0.125 mg qd 4. flagyl 400 mg qd 5. remeron 7.5 mg qd 6. lasix 20 mg physical exam: vital signs: temperature 97.9??????, pulse 84, respiratory rate 20 and saturating at 94% on 2 liters from nasal cannula. physical appearance: well developed, well nourished female in no apparent distress. carotids noted to have a bruit. pupils were equally round and reactive to light. lungs: bilaterally clear. heart: normal s1, s2. abdomen: soft, nontender, positive bowel sounds. there is no pulsatile masses in the abdomen. extremities: 1+ distal pulses throughout. labs: the patient came to the floor with a hematocrit of 31.9, baseline hematocrit is 28%. pt 13.5, ptt 26.2 with inr of 1.3. the patient was also noted to be helicobacter pylori antibody positive hospital course: after admission to the general medicine service, the medical regimen was adjusted to as follows: the patient was switched from intravenous protonix to po protonix 4 mg qd, also started on clarithromycin & amoxicillin as standard helicobacter pylori treatment regimen. diet was advanced to cardiac diet as tolerated and serum hematocrits were stable. the patient remained hemodynamically stable, hence it was felt that the patient could return back to rehabilitation. discharge condition: stable discharge diagnosis: resolving upper gastrointestinal bleed , m.d. dictated by: medquist36 procedure: other endoscopy of small intestine insertion of other (naso-)gastric tube diagnoses: acute gastric ulcer with hemorrhage, without mention of obstruction coronary atherosclerosis of native coronary artery congestive heart failure, unspecified unspecified essential hypertension acute posthemorrhagic anemia atrial fibrillation occlusion and stenosis of carotid artery without mention of cerebral infarction abdominal aneurysm without mention of rupture helicobacter pylori [h. pylori] 

Answer: The patient is high likely exposed to