disease has location thoracic cancer Askin tumor https://www.malacards.org/card/askins_tumor NCIT:C7542 GARD:0024291 MESH:C563168 PNET of thoracopulmonary region MEDGEN:209112 UMLS:C0877849 Askin's tumor ICDO:9365/3 small cell tumour of thoracopulmonary region MONDO:0006094 DOID:0050608 Askin tumor EFO:1000095 Editor note: in DO this is classified as Ewing sarcoma but we follow NCIT in placing as sibling small cell tumor of thoracopulmonary region 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. peripheral neuroectodermal tumor of thoracopulmonary region peripheral neuroectodermal tumour of thoracopulmonary region peripheral primitive neuroectodermal tumor thoracic cavity