Fibreoptic bronchoscopy.
D001980:Bronchi; D001984:Bronchial Neoplasms / Q000175:diagnosis; D001999:Bronchoscopy; D002675:Child, Preschool; D005336:Fiber Optic Technology; D005547:Foreign Bodies / Q000601:surgery; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis