A 5-year-old girl presents with acute breathlessness. Chest X-ray finding s : Image 1: Taken immediately upon arrival Homogenous opacification of the right hemithorax, with underlying collapse of its upper lobe Secondary obstruction of right hemidiaphragm, cardiac silhouette, and hilum No obvious mediastinal shift Postural rotation seen Image 2: Post pleural tapping Right sided intercostal drainage in situ with right sided subcutaneous emphysema Near total drainage of pleural fluid A few atelectatic bands are seen in the right lower zone. The rest of the lung fields shows prominent Broncho vascular markings. Image 3: Seven days later Right sided intercostal drainage in situ. Adjacent subcutaneous emphysema has resolved.

There is no pleural effusion seen. The atelectatic bands in the right lower zone shows near total resolution. Atelectatic bands seen in the right upper zone. There is a…