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Coronal section from computed tomographic pulmonary angiogram scan. A feeding arterial vessel (red arrow) arises from the lower thoracic aorta supplying an intralobar bronchopulmonary sequestration within the right lower lobe. This intralobar bronchopulmonary sequestration correlated with the mismatched perfusion defect identified on earlier single-photon emission computed tomography ventilation-perfusion imaging
