<unk>  is a medical procedure where a tube is inserted into the airways, usually through the nose or mouth. This allows the practitioner to examine inside a patient's airway for abnormalities such as foreign bodies, bleeding, tumors, or inflammation. The practitioner often takes samples from inside the lungs: biopsies, fluid<unk> alveolar lavage), or endobronchial brushing. The practitioner may use either a rigid<unk>  or flexible<unk> .
Bronchoscopy
Thoracoscopy
Bronchitis CT
Pulmonary nodule biopsy
Cough CT
Bronchiectasis CT
Lung mass laboratory studies
Mediastinitis CT