Figure 4From: Histopathological grading of pediatric ependymoma: reproducibility and clinical relevance in European trial cohortsGrading of ependymomas in three European trials by five neuropathologists (phase 1 of study). (a) Proportions of tumors classified as grade II (dark gray) or grade III (light gray) by neuropathologists A-E in phase 1 of the study, grouped by trial. (b) Proportions of tumors classified by each neuropathologist (Path-A, Path-B etc.) in phase 1 of the study as grade II (dark gray) or grade III (light gray).Back to article page