Crossword clue: a condition in which air or other gas is present in the cavity of the chest; -- called also pneumatothorax.

The most common answer is pneumothorax (12 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

pneumothorax 12 letters web-def

abnormal presence of air in the pleural cavity resulting in the collapse of the lung; may be spontaneous (due to injury