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: radio contrast attending: addendum: discontinue metronidazole, as augmentin has adequate coverage. ercp fellow consulted and agrees with augmentin for pan-sensitive organism as opposed to augmentin plus flagyl. discharge disposition: extended care facility: - care and rehab center md procedure: endoscopic insertion of stent (tube) into bile duct diagnoses: urinary tract infection, site not specified atrial fibrillation depressive disorder, not elsewhere classified sepsis hypertrophy (benign) of prostate with urinary obstruction and other lower urinary tract symptoms (luts) other specified cardiac dysrhythmias urinary frequency retention of urine, unspecified late effects of cerebrovascular disease, other speech and language deficits other septicemia due to gram-negative organisms accidents occurring in residential institution cholangitis late effects of cerebrovascular disease, cognitive deficits long-term (current) use of aspirin calculus of bile duct without mention of cholecystitis, with obstruction cardiac rhythm regulators causing adverse effects in therapeutic use other fluid overload fistula of bile duct essential and other specified forms of tremor urgency of urination 

Answer: The patient is high likely exposed to