Fig. 11.

Tracheal obstruction and airway stenting in an elderly smoker presenting with cough and breathlessness. (A) Severe extrinsic compression of the lower trachea seen on bronchoscopy. (B) Covered SEMAS inserted, proximal end view showing blue purse string (arrow), which can be grasped using forceps to reposition or remove the stent. (C) View of distal end of stent with good patency of proximal main bronchi (patient also had mixed obstructive disease in the left main bronchus).