Parts
Size
Large Lungs
Increased Retrosternal Space
Small Heart
CT Emphysema and Small Heart
Shape
Position
Character
Time
Associated Findings
Juxtaphrenic Peaking- Juxtaphrenic Lung Markings
Infection
Inflammation
Malignancy
Mechanical
Atelectasis
Trauma
Metabolic
Circulatory-
Hemorrhage
Immune Infiltrative Idiopathic Iatrogenic
Emphysema Upper Lung Fields
Enlarged Group of Secondary Lobules
Thickened Irregular Interlobular Septa
Fissural Changes from Traction