PMC7388604_01
Spirometry before removing the foreign body
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His skin prick tests were positive for grass; spirometry revealed FEV 1 57% without broncho-reversibility (Figure 1).
Bronchoscopy image showing the foreign body in the lower-left bronchus
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Therefore, rigid bronchoscopy under general anesthesia was performed and off-white non-purulent secretions, almost completely occluding the bronchial lumen, were visualized and removed from lower-left bronchus (Figure 2).