Toddler with wheezing Pediatric Imaging Chest May 12, 2025February 27, 2025 CXR AP taken in expiration shows hyperinflation of the right lung with mediastinal shift to the left due to asymmetrical air trapping in the right lung on expiration. The diagnosis was airway foreign body in the right mainstem bronchus. Related Published May 12, 2025February 27, 2025