NCIt definition : A milky pleural effusion resulting from accumulation of lymph fluid in the pleural
cavity. Causes include malignancies (usually lymphoma), trauma to the thoracic duct,
tuberculosis, sarcoidosis, and congenital causes.;
Alternative definition : CTCAE: A disorder characterized by milky pleural effusion (abnormal collection of
fluid) resulting from accumulation of lymph fluid in the pleural cavity.; NICHD: A pleural effusion resulting from the accumulation of lymph in the pleural
cavity.;