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Significant association of clinical and biological features with outcome (OS) as visualised by Kaplan–Meier analyses. (A) MYCN status (MYCN sc=MYCN single copy; MNA=MYCN-amplified); (B) metastatic spread (local vs metastatic); (C) age at diagnosis (age < or >1 year at diagnosis); and (D) TrkA expression (TrkA expression < or > median).
