NCIt synonyms : Small Cell Tumor of Thoracopulmonary Region; Peripheral Neuroectodermal Tumor of Thoracopulmonary Region; Askin's Tumor; PNET of Thoracopulmonary Region; Askin s Tumor;
NCIt definition : A primitive neuroectodermal tumor (small round blue cell tumor) of the thorax which
can involve the periosteum, thoracic wall and/or pleura though it spares the lung
parenchyma.;