Ewing's family of tumors
Published:
EFTs. A group of cancers that includes Ewing's tumor of bone
(ETB or Ewing's sarcoma of bone), extraosseus Ewing's (EOE) tumors, primitive neuroectodermal tumors (PNET or peripheral neuroepithelioma), and Askin's tumors (PNET of the chest wall). These tumors all come from the same type of stem cell.