These data consisted of 63 samples categorized into four classes: 23 Ewing family of tumors(EWS), 20 rhabdomyosarcoma(RMS), 12 neuroblastoma(BL), and 8 non-Hodgkin lymphoma(NB) , which are represented by the expression values of 2308 genes with suspected roles in processes relevant to these tumors. Here, EWSR1 is linked to neuroblastoma.