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: chief complaint: gib major surgical or invasive procedure: colonoscopy history of present illness: 88yo man with a h/o cad s/p cabg on plavix, pud, diverticulosis, duodenal ulcer perforation, who p/w brbpr x 2. pt had two episodes of bloody stool, once this am and once at 6pm. he denies any lh, dizziness, cp, sob. . in ed, initial vitals t 97.6, hr 64, bp 122/70, rr 14, sat 99% on ra. appeared well, with ext hemmorrhoids and guaiac positive stool. hct 41. 2 large bore ivs placed. ed discussed with gi and he was admitted for observation and plan for colonoscopy. . on the floor, he was intially feeling well, but then had another brbpr. no clots, but large amt of frank blood. pt had mild decrease in bp from sbp 120 to 96. hr in 60's. he also started to feel more fatigued, lips and fingertips turning blue, but no ldh, cp, dizzyness. repeat hct stable, but in setting of drop in bp, he was transferred to micu for closer monitoring. tagged rbc scan ordered and pt given 1l bolus of ns. past medical history: 1. coronary artery disease 2. prostate cancer 3. nephrolithiasis 4. spinal stenosis 5. peptic ulcer disease 6. hypercholesterolemia 7. osteoarthritis 8. chronic renal insufficiency past surgical history: 1. status post l4-l5 laminectomy 2. cabg 3. status post appendectomy social history: no etoh or tobacco; lives with wife of 66 years family history: non contributory physical exam: physical exam: vitals: hr66, bp 124/80, rr 19, o2 99%ra gen: elderly male, nad, sitting comfortably in bed heent: perrl, eomi, conjunctivae not pale, no nystagmus, mmm neck: supple, no lad cv: rrr, no m/g/r lungs: cta bilaterally (anteriorally) abd: soft, nt/nd, normal bs, no r/g, no ext: scabs on shins, no edema, 1+ dp skin: warm and dry, not pale neuro: aaox3 pertinent results: gi bleeding study impression: active pooling of tagged rbcs after 40 minutes, in the sigmoid colon/recto-sigmoid junction. . colonoscopy: findings: contents: liquid stool was found in the whole colon. there was no blood in the colon. excavated lesions multiple diverticula with mixed openings were seen in the ascending colon, transverse colon, descending colon and sigmoid colon.diverticulosis appeared to be of moderate severity. impression: diverticulosis of the ascending colon, transverse colon, descending colon and sigmoid colon otherwise normal colonoscopy to cecum recommendations: follow the patient clinically. if he rebleeds the next step would be angiography. . admission labs: 08:20pm urea n-39* creat-1.7* sodium-135 potassium-4.4 chloride-104 total co2-23 anion gap-12 08:20pm wbc-7.9 rbc-4.58* hgb-14.2 hct-41.8 mcv-91 mch-31.0 mchc-34.0 rdw-14.3 08:20pm neuts-75.6* lymphs-16.4* monos-6.1 eos-1.6 basos-0.3 08:20pm plt count-253 08:20pm pt-12.9 ptt-26.1 inr(pt)-1.1 08:30pm hgb-14.3 calchct-43 . discharge labs: hct 32.4 then 35.6. brief hospital course: a/p 88 y/o m hx cad s/p cabg on plavix and asa, diverticulosis p/w brbpr admitted to floor and then had large gib, mild bp drop and transferred to icu . # gib: patient was transferred to icu for closer monitoring given his gib. in icu tagged rbc scan positive for pooling of blood in sigmoid colon/recto-sigmoid junction. the patient had q 8 hct checks that were stable, and given his positive rbc scan he was prepped for a colonoscopy. he did not require any transfusions in the icu. . # coronary artery disease: held asa, plavix initially. asa restarted on discharge. . # chronic renal insufficiency: stable at his baseline cr 1.4-1.6. . # alzheimer's disease: continued aricept 10mg qd on m/w/f only . # psych: cont''d lexapro 5mg qpm . # bph: cont'd flomax 0.4mg qpm . # incontinence: cont'd detrol 2mg qpm . # activity: pt evaluated and felt he was safe for home. . code: fc . comm: spouse . dispo: pending workup and management as above wife: h () c medications on admission: aricept 10mg qd on m/w/f only potassium chloride 10meq qam on m/w/f only lasix 20mg qd on m/w/f only asprin 81 mg qd imdur 30mg qd plavix 75mg qd protonix 40mg qd mvi qd lexapro 5mg qpm lovastatin 40mg qpm flomax 0.4mg qpm detrol 2mg qpm discharge medications: 1. atorvastatin 40 mg tablet sig: one (1) tablet po daily (daily). 2. escitalopram 10 mg tablet sig: 0.5 tablet po qpm (once a day (in the evening)). 3. donepezil 5 mg tablet sig: two (2) tablet po qmowefr (mo,we,fr). 4. tamsulosin 0.4 mg capsule, sust. release 24 hr sig: one (1) capsule, sust. release 24 hr po hs (at bedtime). 5. tolterodine 2 mg tablet sig: one (1) tablet po qpm (once a day (in the evening)). 6. isosorbide mononitrate 30 mg tablet sustained release 24 hr sig: one (1) tablet sustained release 24 hr po daily (daily). 7. hexavitamin tablet sig: one (1) cap po daily (daily). 8. pantoprazole 40 mg tablet, delayed release (e.c.) sig: one (1) tablet, delayed release (e.c.) po q24h (every 24 hours). 9. lasix 20 mg tablet sig: one (1) tablet po every m/w/f. 10. potassium chloride 10 meq capsule, sustained release sig: one (1) capsule, sustained release po every m/w/f. 11. aspirin 81 mg tablet, delayed release (e.c.) sig: one (1) tablet, delayed release (e.c.) po once a day. discharge disposition: home discharge diagnosis: primary gi bleed, likely diverticular bleed . secondary coronary artery disease alzheimers depression discharge condition: stable discharge instructions: you were admitted with a gi bleed. you were monitored carefully in the icu and then on the floor. you were stable after initial low blood pressure resolved. . if you have any rectal bleeding or blood in your stool you must go emergently to the emergency room. . please seek medical attention if you are lightheaded, have chest pain or any other symptoms that are of concern to you. . we have held your plavix in the setting of your bleed. please readdress this with your pcp after you are out of this acute window. we have not made any other changes in your medical treatment. followup instructions: you have a follow up appointment with dr. () on friday at 11am. please also follow up with your pcp . when he returns. procedure: colonoscopy diagnoses: acute posthemorrhagic anemia hypertensive chronic kidney disease, unspecified, with chronic kidney disease stage i through stage iv, or unspecified personal history of malignant neoplasm of prostate coronary atherosclerosis of unspecified type of vessel, native or graft aortocoronary bypass status hypertrophy (benign) of prostate without urinary obstruction and other lower urinary tract symptom (luts) chronic kidney disease, unspecified hypotension, unspecified alzheimer's disease diverticulosis of colon with hemorrhage tachycardia, unspecified 

Answer: The patient is high likely exposed to