PMC9968852_01
Preoperative chest radiograph and computed tomography scan showing an 80%-90% left-sided pneumothorax (red arrow).
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F1
Chest CT performed on admission showed an 80%-90% left-sided spontaneous pneumothorax (Figure 1), and the patient was diagnosed with pneumothorax and administered nasal catheter oxygen and immediately treated with closed drainage of the thoracic cavity in the emergency room.