Right lung hyperinflated lung with deep sulcus sign and increased in both decubitus views indicating valve mechanism by foreign body obstruction. The trachea and mediastinum show normal in appearance. No hilar or mediastinal lymph nodes detected. Pulmonary vascular markings and hila are normal. The costo-diaphragmatic recesses are clear. Cardiothoracic ratio within normal range. Thymus is visualized and normal for age. The visualized bones are normal. The soft tissues of the chest wall are normal. The visualized part of the abdomen is unremarkable.
Conclusion:
Right lung hyperinflated with deep sulcus sign and increased in both decubitus views indicating valve mechanism by foreign body obstruction.