COPD is a widespread lung disease closely tied to cigarette smoking and exhibits 5-year survival rates that are actually worse than many cancers. Understand how COPD develops, its phenotypes (chronic bronchitis, obstructive bronchiolitis, and emphysema), its relationship to asthma, and how it's managed. Review the imaging features of COPD and 5 disorders correlated with COPD.

• Some of the case images in this talk appear courtesy of Ahmed El-Sherief, MD.