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BACKGROUND Approximately one-third of patients with localized osteosarcoma at presentation relapse as well as about three-fourths of the patients with metastases at diagnosis, about 90% of relapses(More)
BACKGROUND AND METHODS Between 1986 and 2001, 162 patients with extremity osteosarcoma and lung metastases at presentation, were treated by neoadjuvant chemotherapy, simultaneous resection of primary(More)