Fig. 2From: Growth, progression and chromosome instability of Neuroblastoma: a new scenario of tumorigenesis?Distribution of stage 4 and stage 4S Italian patients from the National Neuroblastoma Register according to the age of the patients at diagnosis. Most of the stage 4S cases are observed between 0 and 6 months. On the contrary, the frequency of stage 4 cases increases after 6 months of observationBack to article page