Stridor of recent onset.
D001314:Auscultation; D001706:Biopsy; D020680:Bronchoscopes; D002294:Carcinoma, Squamous Cell / Q000000981:diagnostic imaging* / Q000473:pathology; D005260:Female; D005336:Fiber Optic Technology; D006801:Humans; D008482:Mediastinum / Q000000981:diagnostic imaging; D008875:Middle Aged; D013902:Radiography, Thoracic; D012119:Respiration; D014056:Tomography, X-Ray; D014134:Tracheal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology