Fig. 3From: Global DNA methylation profiling reveals chromosomal instability in IDH-mutant astrocytomasCombined 2021 WHO grade 2–4 cases from the test cohort demonstrating worse progression-free survival (PFS) a and overall survival (OS) b in cluster 1 compared to cluster 2. 2021 WHO grade 2–3 combined cases (“lower-grade astrocytoma”) from cluster 1 had worse PFS c and OS d compared to grade 2–3 cases from cluster 2Back to article page