A 12-year-old with a history of critical pulmonary stenosis and moderate right ventricular hypoplasia underwent neonatal pulmonary valve dilation, an aortopulmonary shunt, and an infant cavopulmonary anastomosis with aortopulmonary shunt takedown. During a diagnostic cardiac catheterization at 12 years of age, angiography showed interruption in the midportion of the coronary sinus, which required no intervention.

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