<unk>  <unk>  is a histologic term used to describe specific changes that occur to the structure of the lungs during injury or disease. Most often<unk>  is described in association with the early stages of acute respiratory distress syndrome (ARDS). It is important to note that<unk>  can be seen in situations other than ARDS (such as acute interstitial pneumonia) and that ARDS can occur without<unk> .
Diffuse alveolar damage
Desquamative interstitial pneumonia
Lymphocytic interstitial pneumonia
Usual interstitial pneumonia
Pulmonary alveolar proteinosis
Pulmonary interstitial emphysema
Hepatization of lungs
Air trapping