title: Invited commentary.
authors: Cardiovascular and Thoracic Surgery, Mid America Heart Institute, 4320 Wornall Rd, Ste 50-2, Kansas City, MO64111. Electronic address: jrs1040@aol.com.
authors: James R
authors: JR
authors: Stewart
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D014135:Tracheal Stenosis / Q000473:pathology* / Q000601:surgery*