EZH2 and synovial sarcoma: Across all subtypes, EZH2 expression was found to correlate with the abundance of H3K27me3 motifs (Figure3A, ρ: 0.73, P<0.0001, R2=0.648), indicating causal relationship between EZH2 activity and the presence of the associated epigenetic marker in synovial sarcoma.