Premature newborn with respiratory distress on a ventilator Pediatric Imaging Chest November 19, 2020November 14, 2020 CXR AP shows a large amount of lucency in the right pleural space and there is mediastinal shift to the left. The diagnosis was a right tension pneumothorax in a patient with respiratory distress syndrome. Related Published November 19, 2020November 14, 2020