Fig. 2From: Improved risk-stratification for posterior fossa ependymoma of childhood considering clinical, histological and genetic features – a retrospective analysis of the HIT ependymoma trial cohortSurvival analysis. Kaplan-Meier survival curves show the prognostic impact of a, residual tumour; b, genomic group, c, chromosome 1q gain and d, histology (only OS). Coloured pie charts indicate the frequency of the defined subgroupsBack to article page