Are there stages to emphysema?

Related questions

1. Is emphysema an inflammatory disease?
2. How many liters of oxygen do you need for emphysema?
3. Does emphysema kill you?
4. Does emphysema affect inspiration or expiration?
5. What is the mechanism of emphysema?
6. Does emphysema get worse if you quit smoking?
7. Can COPD cause sudden death?

Tags

1. #slowly
2. #weaken
3. #stages
4. #emphysema
5. #alveoli
6. #years
7. #called
8. #cigarettes
9. #smoking
10. #cause
11. #condition
12. #after
13. #typically
14. #serious
15. #contract
16. #expanding
17. #tobacco
18. #other
19. #their
20. #occurs
21. #types
22. #ability
23. #common
24. #usually