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3D gadolinium-enhanced magnetic resonance angiography (Gd-MRA) of PA for patient A, B and C. The patients have different levels of RV-PC dysfunction; A) MPA and LPA dilation and RPA stenosis causing severe pulmonary regurgitation and imbalance in pulmonary flows, B) pulmonary regurgitation and small narrowing in the branch PAs, and C) shortened and dilated MPA-LPA connection and mild RPA stenosis with pulmonary regurgitation [75].
