International Euro Ewing (iEuroEwing) trial for treatment optimisation in patients localised standard-risk (SR) or metastatic high-risk (HR) primary diagnosed Ewing sarcoma or Ewing-like sarcoma
International Euro Ewing Registry (iEwingRegistry) for patients with primary diagnosed Ewing Sarcoma and so-called Ewing-like sarcoma (i.e. rare translocation positive small blue round cell sarcoma)
