Parts
Size
Normal Size Abnormal Position
Mildly Thickened Post Biopsy
Mildly Thickened Post Biopsy
Parapneumonic Effusion – Empyema Thickened Pleura
Shape
Position
Normal Size Abnormal Position
Character
Time
Infection
Inflammation
Malignancy
Mechanical
Atelectasis
Trauma
Metabolic
Circulatory-
Hemorrhage
Immune Infiltrative Idiopathic Iatrogenic