Glossary
Trachea: The airway that leads from the larynx to the lungs. Also called the windpipeDysphagia: Trouble swallowing
Dyspnea: Difficult painful breathing or shortness of breath
Hemoptysis: Coughing up blood or mucus that is stained with blood
Necrosis: Changes due to death of cells or organs
Stenosis: The narrowing or closure of an opening or passageway in the body