hydropneumothorax

[hī′drō-nōō′mō-thôrăks′]

n.

The accumulation of fluid and gas in the pleural cavity.pneumohydrothorax

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.