Which side is more commonly affected in this condition?
Two-thirds of unilateral absence of the pulmonary artery occur on the right side.
There is unilateral absence of the right pulmonary artery with no pulmonary arterial blood flow to the right lung. The right lung is supplied by prominent intercostal collaterals originating from the descending thoracic aorta and a dilated right internal mammary artery. VP shunt tubing is noted in the left anterior chest wall.