title: Invited commentary.
authors: Department of Surgery, Beth Israel Deaconess Medical Center, 110 Francis St, Ste 2A, Boston, MA 02215, USA. mkent@bidmc.harvard.edu
authors: Michael
authors: M
authors: Kent
mesh_terms: D001999:Bronchoscopy / Q000379:methods; D002404:Catheterization; D004724:Endoscopy / Q000379:methods*; D006801:Humans; D011379:Prognosis; D014135:Tracheal Stenosis / Q000175:diagnosis / Q000628:therapy*