Tracheobronchial stenosis
Tracheobronchial stenosis is a descriptive term given a spectrum of disorders which can result is focal or diffuse narrowings of the trachea and bronchi. The term can encompass.
Radiographic assessment
CT
MinIP images are often helpful for better appreciation. If severe enough, may also show features of resorptive (obstructive) atelectasis of segments of lung distal to the stenosis.