COPD may be classified based on pathology, into two types:<unk>  bronchitis type, and emphysema type. Emphysema may be classified further in to four sub-types such as panacinary, centroacinary, congenital lobar emphysema and paraseptal.
Chronic obstructive pulmonary disease classification
Right heart failure classification
Chest pain classification
Pulmonary embolism classification
Pulmonary edema classification
Congestive heart failure classification
Empyema classification
Emphysema classification