Path of bronchoscope through nose, larynx, trachea, and into bronchial tubes in lungs.

Bronchoscopy (say "bron-KOSS-koh-pee") is a type of procedure where your doctor uses a thin flexible tube to look at your airways and lungs. This tube is called a bronchoscope. It is inserted through the nose. It lets your doctor see your throat, larynx (voice box), trachea (windpipe), and bronchial tubes.

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