People diagnosed with chronic obstructive pulmonary disease typically have emphysema, chronic bronchitis, or both.

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Chronic Obstructive Pulmonary Disease (COPD) is an umbrella term used to describe progressive lung diseases including emphysema, chronic bronchitis, and sometimes asthma. Patients with COPD may have either emphysema or chronic bronchitis, or both conditions together, as they share common features of airflow obstruction and breathing-related difficulties.

People Diagnosed with Chronic Obstructive Pulmonary Disease Typically Have Emphysema