Pulmonary artery sling in the setting of duplicated left pulmonary arteries

1-year-old boy was referred to our department with recurrent obstructive pneumonia, persistent wet cough and failure to thrive. Physical examination showed shortness of breath, wheezes and stridors. Echocardiogram confirmed usual atrioventricular and ventriculo-arterial connections without any intracardiac malformation. The patient underwent contrast CT angiogram that revealed the presence of two left pulmonary arteries (Fig. 1 panel A). The...