PMC9133868_01
(A) chronic anterior chest wall sinus (B) removal of subcutaneous endobronchial valve (EBV).
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At a subsequent wound review after 11 weeks the patient complained wound irritation and a foreign body was found to be protruding through the sinus (Figure 1).
Radiographic migration of endobronchial valve (EBV) (white arrow)
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It was the EBV! Radiological review confirmed the dislodgement of the EBV and caudal migration (Figure 2).