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: tetanus toxoid attending: chief complaint: shortness of breath, black stool major surgical or invasive procedure: egd history of present illness: 87 m with cad, chf, afib w/ pacer on warfarin, as well as diverticulosis and atrophic gastritis who presented to clinic c/o 3 week band-like shoulder and chest pain assoc w/sob in setting of black stools. reports shortness of breath primarily with exertion. no associated light headedness, dizziness, nausea, palpitations. reports slight chest tightness with exertion but not as great as cp he has experienced in the past. . over the past week pcp had diuresis with metazolone and furosemide given increased le edema and sob and concern for pulmonary edema. pt presented to clinic today with above complaints where vitals pt w/ bp of 82/50, hr 70 (paced) rr 16. regarding black stool, pt has known h/o atrophic gastritis and diverticulosis by last endoscopy in 5/. on arrival to ed labs concerning for anemia to hct 23 and elevated inr at 6. . in ed, recevied 1 l ns, 2 u ffp, 5 mg iv vitamin k, 40 mg iv protonix. noted to have hct drop to 23.9 from 31. ng lavage done in ed, clear. on arrival to micu, pt. hemodynamically stable. past medical history: -cad: status post imi , status post 3 vessel cabg. -chf, diastolic: ef 55% in -hypercholesterolemia -atrial fibrillation with history of slow ventricular response, requiring pacer -asbestosis: previous pipefitter. stable calcified pleural plaques. pft's showed mild restrictive ventilatory defect. -thrombocytopenia -occult blood positive stools -gerd -arthritis -stable pleural effusion, since approximately social history: no prior tobacco use. has not drank in past 10-15 years. previously worked as a plumber/pipefitter. lives alone. five children live in area. family history: father died of cad. mother suffered from diabetes. family history of cad. physical exam: vs: 96.7 / 125/53 / 60 / 16 / 100% ra gen: pleasant, articulate, a&ox3, not in acute distress, not sob lying at 30 degrees in bed on 2 pillows heent: jvd to 12 cm, no lad, op clear, eom intact, anicteric sclerae. no obvious collection of blood/clot in oropharynx. tissue stained with blood in r nostril at site of ngl. lungs: cta heart: rrr, 2/6 sem at apex, no r/g abd: distended but soft, tympanitic, no fluid wave. nontender, normal bowel sounds., mildly obese rectal - no melena, blood oozing from anus. extr: warm, 1+ pitting edema bilaterally neuro: motor, sensation grossly intact skin: no rash pertinent results: labs - hct 23.9, cr 2.1, inr 6.1 imaging - <b>cxr</b> - diffuse patchy b/l infiltrates c blurring of l hemi-diaphragm, cardiomegaly though ap film ekg - paced rhythm at 60 egd :esophagus: normal esophagus. stomach: normal stomach. duodenum: normal duodenum. brief hospital course: a/p: 87 m c cad p/w gib. . 1. gib - ddx included ugib gastritis vs. ulcer vs. lgib diverticulosis. hx is more consistent with a ugib. in micu, pt. received 2 u prbcs, 4 u ffp to reverse supratherapeutic inr. anti-htn meds held. pt. remained hd stable and hct bumped appropriately. tx c iv ppi drip prior to upper scope. upper endoscopy performed showing normal stomach, duodenum. pt was transferred to regular hospital floor where he tolerated regular diet and was stooling w/o brbpr/melena. pt had stable hct. . 2. sob - felt likely related to anemia rather than worsening chf. pt. on discahrge from micu was able to get out of bed to chair without difficulty; plans made for pt to eval pt. . 3. cad - elevated troponin noted and felt to be renal failure. ck normal and pt. ruled out for mi. no episodes of cp in micu. beta blockers, ace-i held and gradually restarted. isosorbide mononitrate given intermittently as bp allowed. . 4. afib - anticoagulation held; beta blockers as above. . 5. renal failure - cr 2.1; baseline 1.2-1.3. with volume resuscitation, pt. quickly returned cr to 1.4; suspect prerenal etiology. no evidence of obstruction. medications on admission: 1. isosorbide mononitrate 20 mg po bid 2. aspirin 81 mg daily 3. atenolol 25 mg daily 4. furosemide 40 mg twice a day 5. lisinopril 10 mg daily discharge medications: 1. isosorbide mononitrate 20 mg tablet sig: one (1) tablet po bid (2 times a day). 2. nitroglycerin 0.3 mg tablet, sublingual sig: one (1) tablet, sublingual sublingual prn (as needed). disp:*30 tablet, sublingual(s)* refills:*2* 3. atorvastatin 10 mg tablet sig: one (1) tablet po daily (daily). disp:*30 tablet(s)* refills:*2* 4. fluticasone 50 mcg/actuation aerosol, spray sig: two (2) spray nasal daily (daily). disp:*1 qs* refills:*2* 5. lisinopril 10 mg tablet sig: one (1) tablet po once a day. 6. atenolol 25 mg tablet sig: one (1) tablet po once a day. discharge disposition: home with service facility: vna discharge diagnosis: gi bleed discharge condition: stable discharge instructions: you had a condition called a gi bleed. please present to the hospital or call your primary care physician if you have blood in your stool, if you have chest pain/shortness of breath, fever/chills, headache/dizzyness. we have restarted you on your blood pressure medications except for the lasix(furosemide) please be sure to be seen in your primary care clinic within the next week with regard to restarting your lasix. please take all of your medications as directed and follow up with all of your appointments. followup instructions: you have the following appointments: please be seen in your primary care clinic to have your hematocrit checked as well as for restarting lasix dosing within the next week. provider: , .d. date/time: 11:10 provider: , m.d. phone: date/time: 11:00 gastroenterology: please follow up with , md. please call ( for an appointment. procedure: other endoscopy of small intestine transfusion of packed cells transfusion of other serum diagnoses: abnormal coagulation profile esophageal reflux pure hypercholesterolemia congestive heart failure, unspecified acute posthemorrhagic anemia acute kidney failure, unspecified unspecified acquired hypothyroidism atrial fibrillation aortocoronary bypass status long-term (current) use of anticoagulants unspecified gastritis and gastroduodenitis, with hemorrhage asbestosis chronic diastolic heart failure 

Answer: The patient is high likely exposed to