Figure 3.

A 15-year-old boy presenting at emergency department with dyspnoea and fever. (a, b) Chest X-ray shows rise of the right diaphragm, and the latero-lateral projection enhances the presence of posterior pleural effusion; (c) lung ultrasound (LUS) performed at the same time demonstrates a large amount of pleural effusion; (d) LUS, performed after tube insertion and drainage of partially corpusculated pleural effusion, shows a quite complete resolution of empyema; (e) follow-up at 7 days: LUS shows a complete resolution of empyema.