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Preoperative evaluation. (A,B) Coronal and sagittal view of chest CT revealing a mass located above the level of the carina, measuring 5.5 cm × 3.0 cm × 3.0 cm in size. (C) Bronchoscopy revealed a tracheal neoplasm appropriately 7.0 cm below the level of glottis and obstructing 80% of the cross-sectional area of the tracheal lumen. CT, computed tomography.
