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: valium attending: addendum: patient was discharged to nursing center on in stable and improved condition. chief complaint: acute obstructive cholangitis following ercp major surgical or invasive procedure: ercp : cbd stent placement with removal of obstructing blood clot in major papilla and lower third of cbd. discharge disposition: extended care facility: health care center md procedure: venous catheterization, not elsewhere classified endoscopic insertion of stent (tube) into bile duct injection or infusion of oxazolidinone class of antibiotics diagnoses: coronary atherosclerosis of native coronary artery other postoperative infection congestive heart failure, unspecified unspecified essential hypertension diabetes mellitus without mention of complication, type ii or unspecified type, not stated as uncontrolled atrial fibrillation aortocoronary bypass status percutaneous transluminal coronary angioplasty status other and unspecified hyperlipidemia heart valve replaced by other means other specified procedures as the cause of abnormal reaction of patient, or of later complication, without mention of misadventure at time of procedure bacteremia infection with microorganisms without mention of resistance to multiple drugs long-term (current) use of anticoagulants acute cholecystitis cholangitis obstruction of bile duct 

Answer: The patient is high likely exposed to