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Fig. 5B —40-year-old man with ductal trifurcation. T2-weighted single-shot fast spin-echo MR cholangiography (TR/TE, /1,088 [effective], 30-mm thickness) (A) was interpreted as ductal trifurcation with low diagnostic confidence grades by both reviewers, but serial-enhanced T1-weighted MR cholangiography (coronal 3D T1-weighted gradient-echo MRI [TR/TE, 5.1/1.47; flip angle, 40°]) (B) accurately depicts trifurcation pattern (right anterior segmental branch: long black arrow, left hepatic duct: short black arrow, right posterior segmental branch: white arrows) (anterior to posterior).