An empyema (; from Ancient Greek ἐμπύημα (empúēma) 'abscess') is a collection or gathering of pus within a naturally existing anatomical cavity. The term is most commonly used to refer to pleural empyema, which is empyema of the pleural cavity.
An empyema (; from Ancient Greek ἐμπύημα (empúēma) 'abscess') is a collection or gathering of pus within a naturally existing anatomical cavity. The term is most commonly used to refer to pleural empyema, which is empyema of the pleural cavity.
Source: Wikipedia "Empyema" · CC BY-SA 4.0
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