Lung disease is any problem in the lungs or that prevents the lungs from working properly. There are three main types of lung disease:
Many lung diseases involve a combination of these three types.
The most common lung diseases include:
Kraft M. Approach to the patient with respiratory disease. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 83.