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Three-dimensional-printed heart model of a case with Tetralogy of Fallot (ToF). (A): The model was printed in one piece. (B): The model was printed in two halves (with the same material, Agilus30, but different colors) showing the internal cardiac chambers and vascular abnormalities. Arrows indicate the pulmonary artery stenosis. AO—aorta (overriding aorta); PA—pulmonary artery; RV—right ventricle.
