Case Report

An Unusual Cause of Hypoxia: Ventricular Septal Defect, Pulmonary Artery Atresia, and Major Aortopulmonary Collaterals Diagnosed in the Adult Cardiac Catheterization Lab

Figure 5

Collaterals (red arrow) from the left subclavian artery originating the left (yellow arrow) and right lower (asterisk) pulmonary artery branches.