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A. Concordance table between local diagnosis (initial diagnosis) and panel review (final diagnosis) for the five possible outcomes (AO, AOA, AOA with necrosis/GBMO, GBM/GBMO and GBM). B. Concordance table between the centralized review and the panel review for the same outcomes. Abbreviations: AO = anaplastic oligodendroglioma; AOA = anaplastic oligoastrocytoma; GBM = glioblastoma; GBMO = glioblastomas with an oligodendroglial component
