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Fig. 4B —Multiple comparisons of mean accuracy and diagnostic confidence for four sets of MR cholangiography (MRC) imaging techniques. Technique 1 = 2D T2 MRC alone, technique 2 = combined set of 2D T2 MRC and 3D T2 MRC, technique 3 = combined set of 2D T2 MRC and 3D contrast-enhanced T1 MRC, and technique 4 = combined set of all three techniques. Error bars indicate SD; asterisk indicates p < 0.05 in comparison of techniques. No significant difference was observed within comparison of combined sets for both accuracy and diagnostic confidence. Graph shows mean diagnostic confidence of 2D MRC alone and three combined sets for prediction of ductal orifice number during right lobe harvesting.