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The improvement of anatomy in the pulmonary arterial tree via a Computed Tomography Angiography/3-D reconstruction study in a patient treated with BPA. Upper panel shows the pulmonary artery tree before BPA. Right and left main pulmonary arteries where some lobar and segmental branches are visible but without subsegmental branches. Lower panel shows the pulmonary artery tree after BPA where the majority of segmental and subsegmental branches are recanalized.
