“…Forlanini introduced the concept of artificially induced pneumothorax, in which the collapsed lung rested and healed without the need for the patient to spend years in an institution. 1 In artificially induced pneumothorax, the air needed to be replaced frequently; thus, more permanent solutions were sought. These included thoracoplasty or plombage, in which an extrapleural space was created between parietal pleura and the chest wall and filled with materials such as fat, oil, wax packs, bone or methyl-methacrylate (Lucite) balls, shown here.…”