<unk>  is destruction and widening of the large airways.
If the condition is present at birth, it is called congenital<unk> .
If it develops later in life, it is called acquired<unk> .
Bronchiectasis
Chronic bronchitis
Acute bronchitis
Atypical pneumonia
Bronchomalacia
Bronchiolitis
Eosinophilic pneumonia
Lung abscess