PMC8683458_01
(A,B) chest CT showing a dilated trachea (>3cm), dilated main bronchi, and cystic bronchiectasis, mainly in the lower lobes; C) bronchoscopy image showing a significantly dilated trachea and bronchi; D) tracheal diverticula
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F1
High-resolution chest computed tomography (CT) revealed a dilated trachea (31mm, measured 2cm above the aortic arch) with diverticula, as well as dilation of the main bronchi (left 24mm and right 21mm) with extensive bilateral cystic bronchiectasis (Figure 1(A,B)). Bronchoscopy revealed normal symmetrical vocal cords with a dilated trachea and main bronchi with multiple diverticula and pouches containing pooled secretions (Figure 1(C,D)).