This group includes EWS or what is called primitive neuroectodermal tumors (PNET), non-Hodgkin Lymphoma, alveolar rhabdomyosarcoma, renal neuroblastoma, Wilms tumor, monophasic synovial sarcoma, desmoplastic small round cell tumor, carcinoid tumors, clear cell sarcoma of kidney [5,[12], [13], [14]]. This evidence concerns the gene EWSR1 and desmoplastic small round cell tumor.