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: dispo: full code allergies: nkda access: 2 piv, rtant/picc events: pt with large liquid melena, guiaic +, in bed, with sbp dropping to 75, pt was mentating. rec'd 1l ns bolus, 2 units ffp, 2 unit prbcs, 1 unit cryo, and 1 unit platelets. hct remained stable during this episide, please see carevue for data. pt also noted to have a run of v-tach - pacer pads applied, ekg obtain, and 2gm magnesium given. episode of v-tach was self-limiting, pt was mentating. pt now with sbp 100s, and mushroom cath draining mod. amounts of black-melena stool. also attempted to placed another piv, 18g piv placed but infiltrated. pt remains with 2 piv, and rt/picc. nuero: pt lethargic, dozing/sleeping t/o shift. pleasant and cooperative with care. able to make needs known, follows commands, mae. perrla 3mm/bsk bilaterally. standing dose lactulose and rifaximin given for encephalopathy. cv: hr 60-70s nsr with occasional pvcs noted. pt with episode of v-tach as stated above. nbp 100-130s/60-80s. pt maintaining bp, with maps > 60. + diff. to palpate pp, but palpable. remains on octreotide gtt at 50cc/hr. resp: pt on 3l nc, with sats 98-99%. ls clear to diminished bilaterally. no sob/increased wob noted. gi/gu: abd large, firm, + ascites. + bs. mushroom catheter placed, draining mod. amounts of black-melena liquid stool. guiaic +. foley catheter secure and patent, draining adequate amounts of icteric clear urine. skin: w/d/i. old paracentisis site draining mod. amounts of yellow fluid. collection bag intact. pt with generalized jaundiced. plan: cont. to monitor hct and for active s%s of bleeding. ? ngt placement for nutrition. cont. to monitor nbp. cont. providing supportive care. procedure: venous catheterization, not elsewhere classified other endoscopy of small intestine enteral infusion of concentrated nutritional substances percutaneous abdominal drainage biopsy of bone marrow other transplant of liver reopening of recent laparotomy site transfusion of packed cells transfusion of other serum transfusion of platelets transfusion of coagulation factors other operations on lacrimal gland transplant from cadaver diagnoses: hyperpotassemia cirrhosis of liver without mention of alcohol unspecified protein-calorie malnutrition hyposmolality and/or hyponatremia paroxysmal ventricular tachycardia hemorrhage complicating a procedure hypotension, unspecified unspecified sleep apnea other ascites hemorrhage of gastrointestinal tract, unspecified dehydration esophageal varices in diseases classified elsewhere, without mention of bleeding other specified disorders of stomach and duodenum other specified diseases of blood and blood-forming organs 

Answer: The patient is high likely exposed to