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This article reports on 241 patients each with pelvic Ewing sarcoma registered for studies in Germany, Austria, and the Netherlands from January 1, 1981, until January 31, 1994. One hundred sixty-four patients had localized disease and 87 had metastases at diagnosis (PMP). Eighty-four patients with localized disease were entered on protocol (PP) and 80 were followed (FP).
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