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3D computerized tomography scans showing severe tracheal stenosis with tracheo-bronchomalacia of the left main bronchus during hold inspiration with a positive end-expiratory pressure (PEEP) of 18 mmHg. Note severe obstruction of the trachea and bifurcation, and the post-stenotic bronchomalacia. The patient was ventilated with intubation past the tracheostoma but with its end remaining proximal to the tracheal stenosis
