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, chills, naseau and vomiting major surgical or invasive procedure: ercp stent placement in common bile duct history of present illness: patient is a 49 year old male with type ii diabetes who presented to decconess emergency department on with steady, crampy right upper quadrant abdominal pain x 3 days. abdominal pain did not radiate and was described as severe. patient was also vomiting, had diarrhea and chills. symptoms were sudden onset; patient was in usual state of health 3 days prior and had never had these type of symptoms before. past medical history: type ii diabetes left inguinal hernia repair vasectomy social history: positive for tobacco physical exam: upon presentation to the emergency department patient looked ill appearing. vitals- 100.1 126 69/40 10 97% on room air. scleral icterus was present. heart was regular tachy and lungs were clear. abdomen was soft with mild right upper quadrant tenderness. no rebound or guarding were present. rectal exam was guiac negative. brief hospital course: patient presented to the emergency department, dehydrated, hypotensive and sick appearing. patient was resuscitated with cyrstalloid and admitted to the intesive care unit and started on dopamine. right upper quadrant ultrasound demonstrated cholelithiasis and common bile duct dilitation of 10mm with no stones within the duct. white count was 8.6, total bilirubin was 8.4, alt 165, ast 77, alk phos 366, blood sugar 322. primary diagnosis was cholangits and the ercp fellow was consulted. patient was started on unasyn, levofloxacin and ampicillian. upon ercp, pus was found in the major papilla. a possible single smooth stricture of benign appearance was seen at the distal cbd and a single irregular stone that was causing partial obstruction was seen at the distal cbd. a plastic biliary stent was placed successfully in the common bile duct. 1/2 blood clutures were positive for gram negative rods. patient had marked improvement in pain following the procedure. after adequate resusucitation, patient was transferred to the floor on hospital day 3. patient was discharged home on hospital day 5 with the plan for cholecystectomy in approximately 1 month medications on admission: metformin glyburide discharge medications: 1. levofloxacin 500 mg tablet sig: one (1) tablet po q24h (every 24 hours) for 21 days. disp:*21 tablet(s)* refills:*0* 2. metronidazole 500 mg tablet sig: one (1) tablet po tid (3 times a day) for 21 days. disp:*63 tablet(s)* refills:*0* discharge disposition: home discharge diagnosis: cholangitis diabetes type ii tobacco discharge condition: good discharge instructions: finish antibiotics. call doctor or report to emergency room if develop increase in abdominal pain/fevers/chills finish antibiotics. call doctor or report to emergency room if develop increase in abdominal pain/fevers/chills followup instructions: call dr. on tuesday. follow up with gastroenterology procedure: venous catheterization, not elsewhere classified endoscopic insertion of stent (tube) into bile duct diagnoses: unspecified essential hypertension diabetes mellitus without mention of complication, type ii or unspecified type, not stated as uncontrolled cholangitis calculus of bile duct without mention of cholecystitis, with obstruction 

Answer: The patient is high likely exposed to