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: discharge status: discharge to home. discharge diagnosis: 1. status post orthotopic liver transplant 2. hepatitis c 3. history of cirrhosis 4. history of hepatocellular carcinoma , m.d., ph.d. dictated by: medquist36 procedure: venous catheterization, not elsewhere classified parenteral infusion of concentrated nutritional substances other transplant of liver reopening of recent laparotomy site open biopsy of liver diagnoses: unspecified pleural effusion unspecified essential hypertension cirrhosis of liver without mention of alcohol hemorrhage complicating a procedure malignant neoplasm of liver, primary surgical operation with transplant of whole organ causing abnormal patient reaction, or later complication, without mention of misadventure at time of operation acute hepatitis c without mention of hepatic coma 

Answer: The patient is high likely exposed to