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Fig. 6B. —41-year-old man with portal vein stenosis after living related liver transplantation with right lobe graft. Transhepatic portogram shows high-grade stenosis of portal vein and retrograde flow in coronary vein. Pressure gradient between prestenotic and poststenotic regions is 10 mm Hg. After balloon angioplasty and placement of Wallstent (Schneider, Minneapolis, MN, and Buelach, Switzerland), portal vein at anastomotic site is widely patent and pressure gradient across stenosis decreased to 1 mm Hg (not shown).