*'''Carcinoma''' {{further|Lung tumor|linebreak=no}}
*'''Aspiration''': Other foreign contents in airways. {{Further|Aspiration in autopsy}}
*'''Embolism''' of pulmonary arteries.
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File:Histopathology of pulmonary edema.jpg|'''Edema'''
File:Histopathology of bronchopneumonia.jpg|'''Bronchopneumonia''', with neutrophils filling a bronchiole.
File:Bronchioloalveolar Cell Adenocarcinoma of the Lung (4669552489).jpg|'''Carcinoma''' (in this case bronchioloalveolar cell adenocarcinoma) {{further|Lung tumor|linebreak=no}}
File:Histopathology of diffuse alveolar damage.jpg|'''hyaline membranes''', suggesting '''diffuse alveolar damage'''.]]File:Histopathology of a pulmonary artery with fat embolism and a bone marrow fragment.jpg|A pulmonary artery with fat embolism (seen as multiple empty globular spaces on this H&E stain since its processing dissolves fat). There is a bone marrow fragment in the middle, and multiple single hematopoietic cells in the blood, being evidence of fracture as the source of the embolism.
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