1) Pneumocele 
Protrusion of a portion of the lung through a defect in the chest wall. ... Synonym: pleurocele, pneumatocele, pneumocele. ... (05 Mar 2000) ... 
(noo-mon´o-sēl) hernial protrusion of lung tissue, as through a fissure in the chest wall. Called also pleurocele, pneumatocele, and pneumocele. pneumatocele (def. 2).
Type: Term Pronunciation: nū-mon′ō-sēl Definitions: 1. Protrusion of a portion of the lung through a defect in the chest wall. Synonyms: pleurocele, pneumatocele2, pneumocele