Survival from locally invasive or widespread neuroblastoma without cytotoxic therapy

To test the hypothesis that cytotoxic therapy is not needed at diagnosis to assure the survival of most patients with non-stage 4 neuroblastoma. Patients with non-stage 4 disease received no cytotoxic therapy in the absence of N-myc amplification. The International Neuroblastoma Staging System (INSS...

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