Newborn with respiratory distress Pediatric Imaging Chest June 19, 2023June 12, 2023 CXR AP (above) and axial CT without contrast of the chest (below) show hyperinflation of the right middle lobe causing mediastinal shift to the left and partial collapse of the right upper and lower lobes. The diagnosis was congenital lobar emphysema of the right middle lobe. Related Published June 19, 2023June 12, 2023