Fig. 4From: Concentrated pineapple juice for visualisation of the oesophagus during magnetic resonance angiography before atrial fibrillation radiofrequency catheter ablationAxial images (a) with the corresponding 3D volume rendering (b) of the MRA. Note how the oesophagus (grey arrow) courses near the ostia of the right inferior pulmonary vein (white arrow)Back to article page