Fig. 2

A Sample collection at the BTB specifying the cumulative numbers of patients registered at the BTB from whom at least one biological sample (blood, fresh frozen or FFPE tissue) has been collected, fresh frozen primary tumors, patient blood samples, fresh frozen tumor relapses or metastasis and FFPE tumors. Distribution of diagnosis of CNS (B) and other solid (C) tumors from which samples of fresh frozen primary, relapsed or metastatic tissue and patient-matched blood were collected until March 2022