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A. The distribution of the TCGA subtypes in different grades of ODs from the CGGA dataset (5 NBTs, 76 ODIIs and 48 ODIIIs); B. Kaplan–Meier survival analysis divided the TCGA subtypes into a favorable survival subtype (FST: neural and proneural) and a poor survival subtype (PST: classical and mesenchymal) based on the CGGA dataset.
