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Pleural effusion

Pleural effusion is when fluid collects in the area between the lungs and the chest wall. This area is called the pleural cavity. Because of the fluid buildup, the lungs may not be able to expand completely. This can make it hard to breathe.

Current as of:
July 6, 2021

Author: Healthwise Staff
Medical Review:
E. Gregory Thompson MD - Internal Medicine
Adam Husney MD - Family Medicine
Hasmeena Kathuria MD - Pulmonology, Critical Care Medicine, Sleep Medicine