Lung abnormalities mostly present as areas of increased density, which can be divided into the following patterns: Consolidation Atelectasis Nodule or mass - solitary or multiple Interstitial Less frequently areas of decreased density are seen as in emphysema or lungcysts. These lungpatterns will discussed in more detail in an article that will be published soon: Chest X-Ray - Lung disease. #Diagnosis #Pathophys #Radiology #CXR #Lung #Patterns #RadiologyAssistant