Presentation
Sudden chest pain followed by dyspnea.
Patient Data
Age: 50-year-old
Gender: Male
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PA inspiratory

Large pneumothorax on the right. Left lung is clear. Mediastinal contour is unremarkable.
Case Discussion
This case demonstrates a large pneumothorax on the right, accentuated on the expiratory view. No further clinical details were provided regarding its possible cause.