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: addendum: pt with small volume loose stool, guiac positive x1. pt hemodynamically stable, loose stool resolving, no abdominal pain, nausea, lightheadedness/dizziness, hematocrit stable. pt to be followed up by dr. with gi. will continue with anti-coagulation. discharge disposition: home with service facility: bayada nurses inc md procedure: endoscopic removal of stone(s) from biliary tract endoscopic sphincterotomy and papillotomy laparoscopic cholecystectomy endoscopic insertion of stent (tube) into bile duct diagnoses: anemia, unspecified unspecified essential hypertension unspecified acquired hypothyroidism cardiac complications, not elsewhere classified atrial fibrillation coronary atherosclerosis of unspecified type of vessel, native or graft aortocoronary bypass status heart valve replaced by other means long-term (current) use of anticoagulants cholangitis obstruction of bile duct unspecified procedure as the cause of abnormal reaction of patient, or of later complication, without mention of misadventure at time of procedure calculus of gallbladder with acute cholecystitis, without mention of obstruction jaundice, unspecified, not of newborn 

Answer: The patient is high likely exposed to