Fig. 1

Perioperative imaging. A Chest radiography showing the fluid collection in one of the right lung bulla. B Computed tomography (CT) showing the cavity with the fluid collection and inflammatory changes around the cavity, suggesting an infection. C, D A contrast-enhanced CT scan confirming the absence of the right pulmonary artery. E, F Collateral arteries are shown to have developed from the bronchial arteries to the aortic arch