Figure 4. Portal stricture– patient presented 11 months post-transplant for hepatitis C cirrhosis. (a) CT identifies low attenuation area around porta hepatitis causing stricturing. (b) Confirmed at endoscopic retrograde cholangiopancreatography. (c) Second CT image post stent placement after 1 month; notice the increase in size of the mass. Final diagnosis: B-cell lymphoma; treated with re-transplantation. The patient is still alive 4 years later.