Concordant pattern of broncho-pulmonary branching confirmed by post-mortem MRI in the left atrial isomerism cohort. Arrows: white, bilateral liver; yellow, right-sided stomach. Arrowheads: white, right atrium with insertion of vena cava superior, but without vena cava inferior, yellow, vena azygos supplying blood of the lower body half. Gestational age at MRI is 23 weeks + 4 days.