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: abdominal pain major surgical or invasive procedure: open cholecystectomy history of present illness: mr. is a pleasant 77 yo white male who was initially referred to with painless obstructive jaundice. an ercp found biliary stricture in the mid common bile duct. ct scan and staging laparoscopy performed on (see op note) revealed a complex mass near the gallbladder. he presented to on for an abdominal exploration. past medical history: hypercholesterolemia physical exam: gen: alert, oriented, well-nourished, comfortable appearing chest: cta bilaterally cv: rrr without murmur or 3rd heart sound noted abd: nondistended, soft, mod ruq tenderness to palpation brief hospital course: as above, mr an abdominal exploration on for a complex mass near his gallbladder causing biliary stricture. he was found only to have chronic cholecystitis with biliry stricture, and an open cholecystectomy was performed (see op note). he tolerated the procedure well. he was transferred to the floor after uneventful recovery in the pacu. for the first few days postoperatively, he did well. his diet was advanced, and he began ambulating. on pod 3, however, he presented with acute respiratory distress, epigastric pain, and a significant drop in his hematocrit. he was transferred emergently to the icu, and he was intubated and placed on mechanical ventilation. an endoscopy urgently performed revealed esophagitis/gastritis, and a cxr revealed effusion with pneumonia. he was transfused several units of packed red blood cells, started on gi protective medications, and administered broad spectrum antibiotics. he was started on tubefeeds per his ng tube. he would remain stable in the icu. by pod 6, he was extubated, which he tolerated well. he began working with physical therapy. tubefeeds were stopped as his oral diet was advanced. his pain was well-controlled with oral pain medications. on he was discharged to home in stable condition. discharge medications: 1. nystatin 100,000 unit/ml suspension sig: five (5) ml po qid (4 times a day) for 5 days. disp:*600 ml(s)* refills:*0* 2. omeprazole 20 mg capsule, delayed release(e.c.) sig: one (1) capsule, delayed release(e.c.) po daily () as needed for esophagitis. 3. metoprolol tartrate 25 mg tablet sig: 0.5 tablet po bid (2 times a day). disp:*30 tablet(s)* refills:*2* 4. levofloxacin 500 mg tablet sig: one (1) tablet po q24h (every 24 hours) for 4 days. disp:*4 tablet(s)* refills:*0* 5. acetaminophen-codeine 300-15 mg tablet sig: one (1) tablet po q4h (every 4 hours) as needed. disp:*45 tablet(s)* refills:*0* 6. maalox 225-200 mg/5 ml suspension sig: one (1) po every hours. disp:*qs * refills:*2* discharge disposition: home with service facility: vna discharge diagnosis: chronic xanthogranulomatous cholecystitis cholelithiasis discharge condition: good discharge instructions: please keep wound area clean and dry. continue wet to dry dressing changes to open wound area twice daily. take all medications as prescribed. seek medical attention if you experience fever, chills, nausea, vomiting, shortness breath, or increased abdominal pain. followup instructions: please call dr. office at within the first few days following discharge to schedule a follow-up appointment. procedure: continuous invasive mechanical ventilation for less than 96 consecutive hours parenteral infusion of concentrated nutritional substances other endoscopy of small intestine insertion of endotracheal tube enteral infusion of concentrated nutritional substances cholecystectomy transfusion of packed cells diagnoses: pneumonia, organism unspecified pure hypercholesterolemia tobacco use disorder aortic valve disorders calculus of gallbladder with other cholecystitis, without mention of obstruction hemorrhage of gastrointestinal tract, unspecified obstruction of bile duct other esophagitis benign neoplasm of stomach 

Answer: The patient is high likely exposed to