Former premature newborn now 1 year old with chronic respiratory distress Pediatric Imaging Chest May 30, 2023April 25, 2023 CXR (above) shows hyperexpansion and fine interstitial infiltrates. Axial CT without contrast of the chest (below) shows diffuse alveolar and interstitial lung disease bilaterally that is more prominent in the perihilar regions. The diagnosis was bronchopulmonary dysplasia. Related Published May 30, 2023April 25, 2023