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Fig. 3B. —54-year-old man referred for MR imaging with abnormal hepatic arterial waveforms on Doppler sonography (not shown) 2 days after liver transplantation. Correlative digital subtraction angiogram shows nearly normal hepatic arterial tree (arrow). On other projections, mild stenosis was seen at origin of left hepatic artery (not shown). Digital subtraction angiographic findings suggest overestimation of arterial disease on MR angiography. Slow hepatic arterial flow noted during digital subtraction angiography may have resulted in attenuated appearance of hepatic artery and its branches on MR angiography.