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The presence of both gas and fluids in the pleural cavity.
[hydro- + G. pneuma, air, + thorax]
Farlex Partner Medical Dictionary © Farlex 2012
pneumoserothorax(nū″mō-sē-rō-thō′răks) [Gr. pneuma, air, + L. serum, whey, + Gr. thorax, chest]
Air or gas and serum collected in the pleural cavity.
Medical Dictionary, © 2009 Farlex and Partners