Efficacy and Safety Profile of Montgomery T-Tube Implantation in Patients with Tracheal Stenosis

Figure 1

Airway and glottic status before and after surgery. (a) The preoperative hilum; (b) the preoperative airway; (c) the postoperative glottis; and (d) the postoperative airway.

(a)

(b)

(c)

(d)