Muppet gratefully acknowledges the contribution of Dr. Jose Vizuete and Dr. Vilar, who supplied this case (Muppet also wants to point out that any complaints should be addressed to them!).
AP chest of an 11-year-old girl with dyspnea for the last week and mild fever.
1. Staphylococcal pneumonia
2. Mediastinal mass
3. Foreign body
4. None of the above