Fig. 2

Distribution of molecular groups of pediatric medulloblastoma. (A) Bar graph representing MB molecular groups in relation to age groups. (B) Pie chart showing the distribution of MB molecular groups among histological subtypes. (C) Pie chart representing distribution of MB molecular groups related to anatomic location of the tumor. (D) Bar graph depicting the distribution of MB molecular groups according to metastasis occurrence. M0: absence of metastasis; M1: presence of metastasis.