PMC9935658_01
PMC9935658_02
sagittal sections of thoracic computed tomography showing double tracheal narrowing approximately 20 mm below the vocal cords and 40 mm from the carina
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F1
Thoracic computed tomography revealed two tracheal stenoses (Figure 1).
bronchoscopic view of stenosis; A) circumferential irregular cervical stenosis; B) irregular hemi-circumferential tracheal stenosis
PAMJ-44-9-g002.jpg
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F2
It extends over 20 millimeters and is responsible for a reduction of 80% of the tracheal lumen (Figure 2).