What causes a cavity with air-fluid level?
•
5 min read
Medical imaging, such as a chest X-ray or CT scan, often reveals a variety of lung abnormalities, with a cavity containing an air-fluid level being a specific and often concerning finding. Pathologically, this appearance is created when necrotic tissue within the lung is expelled into an adjacent airway, leaving behind a space with both fluid and gas. Understanding **what causes a cavity with air-fluid level** is critical for accurate diagnosis and determining the appropriate course of treatment.