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From left to right: Collateral ventilation system diagram demonstrating that intra‐operative occlusion of the right upper lobe orifice led to cessation of airflow and negative pressure waveform generated by inspiration and pleural suction, indicating air leak from the right upper lobe; followed by post‐operative computed tomography cuts demonstrating metallic tracheal stent and endobronchial valve in situ (yellow arrows).
