*'''Carcinoma'''
*'''Aspiration''': Other foreign contents in airways. {{Further|Aspiration in autopsy}}
*'''Emphysema'''
<gallery>
File:Histopathology of pulmonary edema.jpg|'''Edema'''
File:Histopathology of bronchopneumonia.jpg|'''Bronchopneumonia''', with neutrophils filling a bronchiole.
File:Histopathology of emphysema.jpg|If '''Emphysema''' (enlarged alveoli)
</gallery>