Fig. 9
From: Radiology in paediatric non-traumatic thoracic emergencies

Foreign body aspiration in a 2-year-old girl with a 2-week history of coughing and wheezing. Chest radiography shows obstructive emphysema of the left lung with a mediastinal shift supporting the suspicion of a foreign body in the left main bronchus. A walnut fragment was removed during bronchoscopy