2. Pneumonectomy : Chronic obstructive pulmonary disease
Although surgery is rarely used to treat COPD, it may be considered for people who have severe symptoms that have not improved with medication therapy. A significant number of patients with advanced COPD face a miserable existence and are at high ...
Healthline.com (OMS Preferred Provider)

3. What is Chronic obstructive pulmonary disease?
Chronic obstructive pulmonary disease (COPD) is lung disease that makes it difficult to breathe. Most people with COPD have both emphysema and chronic bronchitis.
MedHelp Q&A

4. COPD (Chronic Obstructive Pulmonary Disease)
COPD is a lung disease that makes it hard to breathe. It is caused by damage to the lungs over many years, usually from smoking.
Healthline.com (OMS Preferred Provider)

5. COPD (Chronic Obstructive Pulmonary Disease): MedlinePlus
Chronic Obstructive Pulmonary Disease (COPD) makes it hard for you to breathe. Coughing up mucus is often the first sign of COPD. Chronic bronchitis and emphysema are common COPDs.
MedlinePlus (Offsite)

6. COPD (Chronic Obstructive Pulmonary Disease): MedlinePlus
Your airways branch out inside your lungs like an upside-down tree. At the end of each branch are small, balloon-like air sacs. In healthy people, both the airways and air sacs are springy and elastic. When you breathe in, each air sac fills with ...
MedlinePlus (Offsite)

7. CDC - Chronic Obstructive Pulmonary Disease (COPD) - Home
*Links to non-Federal organizations found at this site are provided solely as a service to our users. These links do not constitute an endorsement of these organizations or their programs by CDC or the Federal Government, and none should be inferr...
Centers for Disease Control and Prevention

8. Chronic obstructive pulmonary disease
Chronic obstructive pulmonary disease (COPD) is one of the most common lung diseases. It makes it difficult to breathe. There are two main forms of COPD:
www.uhseast.com

9. Chronic Obstructive Pulmonary Disease
Chronic obstructive pulmonary disease (COPD) is a permanent lung condition caused, most often, by cigarette smoking. It starts with a wheezing cough and gradually progresses to a shortness of breath that accompanies even the...
www.mbmc.org

10. Chronic Obstructive Pulmonary Disease
Chronic obstructive pulmonary disease (COPD) makes it difficult to push air out of the lungs. The oxygen-poor air will build up. If the lungs are filled with this air, there is no room for fresh, oxygen-rich air. COPD includes: ::...
www.mbhs.org