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Figure 5 (a) Significant stenosis (arrowhead) at the left pulmonary artery related to a modified Blalock-Taussig shunt is shown. Balloon dilation was performed in this patient. (b) A repeated pulmonary arteriogram 18 months after balloon angioplasty showing mild stenosis (arrowhead) at the left pulmonary artery. (c) After the repeated angioplasty, the stenosis at the left pulmonary artery was completely relieved.
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