Toddler with stridor who previously had undergone endotracheal intubation for a long period Pediatric Imaging Chest February 24, 2025December 15, 2024 AP radiograph of the airway shows asymmetric narrowing of the proximal trachea due to a semi-circular mass arising from the right side of the proximal trachea. The diagnosis was tracheal granuloma. Related Published February 24, 2025December 15, 2024