Figure 5

Partial anomalous pulmonary venous return of both lungs. An asymptomatic male patient with a dilated right side of the heart documented with thorax x-ray. The left upper lobe vein drains into the brachiocephalic vein (a-b). The right upper lobe vein drains into the superior vena cava (c). Veins of both lower lobes drain normally into the left atrium (d). RA = right atrium, LA = left atrium, SVC = superior vena cava.