title: Pedunculated pericardial coelomic cyst manifesting as a rolling intrapleural mass.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008476:Mediastinal Cyst / Q000000981:diagnostic imaging*; D010496:Pericardium; D011031:Pneumothorax, Artificial; D011859:Radiography