Please wait.
loading...
Emphysema is one of several respiratory diseases known collectively as chronic obstructive pulmonary disease (COPD). The other main condition is Chronic Bronchitis. Emphysema is a respiratory disease where millions of the lungs' tiny air sacs (alveoli) stretch out of shape or rupture. The lungs' alveoli are clustered like bunches of grapes. As these thin, fragile air sacs become damaged or dest...