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Pleural effusion occurs when fluid collects in the pleural cavity—the area between the lungs and the chest. Fluid buildup may cause abnormal pressure on the lungs.
Last Revised: June 28, 2013
Author: Healthwise Staff
Medical Review: E. Gregory Thompson, MD - Internal Medicine & Robert L. Cowie, MB, FCP(SA), MD, MSc, MFOM - Pulmonology
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