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 62 year old male status post hepaticojejunostomy for mirizzi syndrome recently discharged from on . upon discharge from patient was doing well. he followed in clinic with dr. . on the night prior to admission patient noticed blood tinged bile and clot in his bile bag. patient had an urge to defecate and passed a large amount of liquidy tarry stool and fainted with loss of consciousness briefly. patient presented to hospital where he was found to be hypotensive with guaiac positive stool. at that time there was no bright red blood per rectum and no melena. patient was transferred to . past medical history: significant for cad status post stent, status post cabg. type 2 diabetes. hypertension. chronic renal insufficiency. physical examination: on presentation to the e.r., the patient was afebrile at 97.8, pulse 98, blood pressure 99/58, respiratory rate 25, 98% saturation in room air. at that time patient had already received 2 liters of crystalloid at hospital, 800 cc of crystalloid and two units of prbc at . patient was ill appearing and pale, but alert and oriented times three. sclerae were anicteric. no jvd. cardiovascular exam was not significant. lung exam was not significant. abdominal exam showed right ptc bag filled with bile and blood clots. left ptc was capped at that time. patient's surgical wound was intact and had no evidence of infection. rectal exam showed guaiac positive stool. extremities were warm. there was no pedal edema. hospital course: the patient was immediately admitted to the icu. laboratory values on admission were white count of 14.7, hematocrit 26.7, platelets 335. differential on the white count was 81.5% neutrophils, 1% bands, 9% lymphocytes. chemistry at that time was sodium 130, potassium 5.8, chloride 103, co2 18, bun 56, creatinine 2.6, glucose 71. ast 27, alt 12, alka phos 98, t-bili 0.2, amylase 171, lipase 251, total protein 7.4, albumin 2.8. pt 14.4, ptt 27.2, inr 1.4. in the icu patient received two additional units of prbc and a total of 5 liters of crystalloid resuscitation and made adequate urine of 1000 cc over 24 hours and maintained a normotensive blood pressure. the patient underwent emergent tube cholangiogram to study his biliary system to try to identify a potential source of bleeding. the tube cholangiogram study showed no evidence of active bleeding at that time. it also showed dilatation of the biliary system consistent with previous studies. by hospital day two patient was adequately resuscitated and was able to be transferred to the floor. he remained under close observation and supervision on the floor without complications, without evidence of any bleeding. the patient remained afebrile throughout his stay. he was discharged on hospital day four. condition on discharge: stable. discharge status: discharged to home. discharge diagnoses: 1. gastrointestinal bleeding. 2. mirizzi syndrome status post hepaticojejunostomy. 3. hypertension. 4. type 2 diabetes. 5. coronary artery disease status post coronary artery bypass graft, status post stent. 6. chronic renal insufficiency. discharge medications: 1. levofloxacin 500 mg one tablet p.o. q.24. 2. calcium carbonate 1 gm q.12 for one week and then 500 mg p.o. b.i.d. 3. bicitra 30 cc p.o. q.d. 4. lopressor 25 mg p.o. b.i.d. 5. protonix 40 mg p.o. b.i.d. followup: the patient is to follow up with dr. or dr. in the office in one week. patient also needs renal followup and patient prefers to follow up with a nephrologist referral from his pcp. also has the phone number of the nephrologist, dr. , and is able to make an appointment if needed. , m.d. dictated by: medquist36 procedure: other cholangiogram diagnoses: hyperpotassemia anemia, unspecified unspecified essential hypertension diabetes mellitus without mention of complication, type ii or unspecified type, not stated as uncontrolled hypotension, unspecified unspecified disorder of kidney and ureter hemorrhage of gastrointestinal tract, unspecified obstruction of bile duct 

Answer: The patient is high likely exposed to