Fig. 1.

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Fig. 1. Event-free survival curves according to the International Neuroblastoma Pathology Classification. The Classification clearly distinguishes prognostic groups for all patients (A), for patient groups over and under 12 months of age (B), for patient groups over and under 18 months of age (C), and for patient groups over and under 20 months of age (D). Note: This Figure is made by combining a portion of Figure 2 and Figure 3 in Sano et al. (2006) International neuroblastoma pathology classification adds independent prognostic information beyond the prognostic contribution of age. Eur J Cancer 2006; 42:1113-1119 [6].
Clin Pediatr Hematol Oncol 2020;27:73-86
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