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Purpose : Osteosarcoma is the most common primary malignant bone tumor in children and adolescents. Although survival rate of osteosarcoma patients has markedly improved, about 20-30% of patients still have a relapse. This study was aimed to find factors that influence postrelapse survival of osteosarcoma in childhood and adolescents.
Methods : Between 1985 and 2004, of 461 patients who were diagnosed... |
