Age

18–80

Sex

ALL

Healthy volunteers

Not accepted

Current diagnosis of laryngotracheal stenosis
Patient age 18 - 80 years old
Eastern Cooperative Oncology Group (ECOG) performance status of 0 - 1
The patient must be able to comprehend and have signed the informed consent.
The patient must have documentation of their date of laryngotracheal stenosis diagnosis and prior medical/surgical history.

Inability to use the app associated with the study.
Comorbid laryngeal or glottic disease
Concurrent neurological disease which may impact voice use (such as tremor, parkinsonism, laryngeal dystonia)

Voice Quality Analysis of Patients With Laryngotracheal Stenosis