Left upper lobe complete atelectasis 2 days after implantation of four endobronchial valves into the left upper lobe in a patient with emphysema. a) Chest.

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Left upper lobe complete atelectasis 2 days after implantation of four endobronchial valves into the left upper lobe in a patient with emphysema. a) Chest radiograph after implantation of the valve. Left upper lobe complete atelectasis 2 days after implantation of four endobronchial valves into the left upper lobe in a patient with emphysema. a) Chest radiograph after implantation of the valve. Computed tomography scan b) before and c) after implantation. The left upper lobe is circled in red and the lower lobe in blue. M. Alifano et al. Eur Respir Rev 2010;19:7-23 ©2010 by European Respiratory Society