Fig. 2From: Endobronchial valve positioning for alveolar-pleural fistula following ICU management complicating COVID-19 pneumoniaHigh resolution computed tomography scan in Case 2 showing right pneumothorax secondary to alveolar-pleural fistula (APF) before (panel A) and after (panel B) endobronchial valve (EBV) positioning with lung parenchyma re-expansion. Valves can be observed in the basal pyramid bronchi (withe arrows)Back to article page