Chronic obstructive pulmonary disease (COPD) includes two lung conditions—chronic bronchitis and emphysema. More than 12 million people in the United States have COPD (and COPD is the fourth leading cause of death), but another 12 million have COPD without knowing it.
If you're being evaluated for COPD, you can expect to receive x-rays, CT scans, and lung function tests.
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