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the presence of a gas between the endothoracic fascia-pleural layer and the adjacent chest wall.
a condition in which a pocket of air or gas forms between the endothoracic fascia-pleura layer and the adjacent chest wall. See also pneumothorax.
The formation of a pneumothorax by introducing air into the space between the pleura and the inside of the rib cage.
See also: pneumothorax