Figure 2: (a) Aortic angiography after closure of both AD and aortopulmonary collateral with an ADO II-AS (asterisk) and a AVP Type IV (double asterisk), respectively. (b) After the disappearance of the left-to-right shunt, multiple, large fistulous pulmonary arteriovenous communications (white arrows) became evident angiographically and clinically. Ao: Aorta, LPA: Left pulmonary artery