Differential diagnosis of chronic obstructive pulmonary disease are :
-recurrent pulmonary emboli
-bronchiolitis
-asthma
-emphysema
-bronchiectasis
-bronchitis
-cystic fibrosis
-recurrent pulmonary emboli
-bronchiolitis
-asthma
-emphysema
-bronchiectasis
-bronchitis
-cystic fibrosis