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Malignant pleural effusion
Pronunciation
Definition 1
A condition in which cancer causes an abnormal amount of fluid to collect between the thin layers of tissue (pleura) lining the outside of the lung and the wall of the chest cavity. Lung cancer, breast cancer, lymphoma, and leukemia cause most malignant pleural effusions. (NCI Dictionary)
Definition 2
A collection of fluid in the pleural cavity as a result of malignant disease. Malignant pleural effusion fluid often contains free-floating malignant cells. --2004 (NCI Thesaurus)
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