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[[File:Histopathology of pulmonary congestion and siderophages.jpg|thumb|220px|'''Siderophages'''{{Siderophage note 1}} (one indicated by white arrow), indicating chronic left heart failure. Also pulmonary '''congestion''' and '''lymphocytes''', consistent with acute or chronic heart failure.]]Look for the most common pathologic Main lung findings:<ref name="TiwanaNibhoria2014">'''India''': {{cite journal|last1=Tiwana|first1=Kanwardeep Kaur|last2=Nibhoria|first2=Sarita|last3=Gupta|first3=Manvi|last4=Yadav|first4=Ashish|title=Histopathological Spectrum in Lung Autopsies- A 50 Case Study|journal=Indian Journal of Forensic Medicine & Toxicology|volume=8|issue=2|year=2014|pages=172|issn=0973-9122|doi=10.5958/0973-9130.2014.00709.9}}</ref><ref>'''United States''': {{cite web|url=https://washingtonforensicsservices.com/pulmonary-lung-conditions-found-at-autopsy/|title=Pulmonary Lung Conditions Found at Autopsy|author=Dr. Stanley Adams|website=Washington Forensic Services|accessdate=2019-12-20}}</ref>*'''Edema and congestion''' (often together), indicating left sided heart failure::*'''Acute''' congestion manifests as alveolar capillaries being engorged with blood, as well as associated alveolar septal edema and/or focal intra-alveolar hemorrhage.<ref name=humpath>{{cite web|url=http://humpath.com/spip.php?article7894|title=Congestion|website=Humpath|date=2005-12-19}}</ref>:*'''Chronic''' congestion manifests as thickened and fibrotic septa, and alveolar spaces containing numerous siderophages{{Siderophage note 2}}.<ref name=humpath/>*'''Inflammatory''' cells, where a mild to moderate lymphocytic infiltrate is consistent with with heart failure, while neutrophils indicate pneumonia.*'''Mycobacteria''' in regions of the world with substantial prevalence*'''Carcinoma'''*'''Aspiration''': Other foreign contents in airways. {{Further|Aspiration in autopsymicroscopic evaluation}}<gallery mode=packed heights=190>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)</gallery>
→Microscopic evaluation: Templated
==Microscopic evaluation==
''Additional potential findings are mentioned in the general '''[[Lungs]]''' article.''
