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Numerical H-scores calculated from digital image analysis of nuclear immunohistochemical staining for (a) H3K27me3 and (b) H3K27me2. Selected malignant peripheral nerve sheath tumor cases, divided into H3K27me3 loss (MPNSTloss) and H3K27me3-retained (MPNSTret), selected melanoma cases, divided into BRAF-mutant (Melanoma BRAF) and NRAS-mutant (Melanoma NRAS), and selected synovial sarcoma cases.
