Use of self-expanding polymeric foams for the filling of persistent pleural cavities. The present invention relates to the use of a self-expanding polymeric foam for sealing and filling of pleural cavities. (Machine-translation by Google Translate, not legally binding)Uso de espumas poliméricas autoexpansibles para el relleno de cavidades pleurales persistentes. La presente invención se refiere al uso de una espuma polimérica autoexpansible para el sellado y rellenado de cavidades pleurales.