pneumoserothorax


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hy·dro·pneu·mo·tho·rax

(hī'drō-nū'mō-thōr'aks),
The presence of both gas and fluids in the pleural cavity.
[hydro- + G. pneuma, air, + thorax]

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.