EZH2 and chondrosarcoma: Due to lack of specific chondrosarcoma database of TCGA(The Cancer Genome Atlas), we further systematically examined the prognostic significance of EZH2 in sarcoma, a group including chondrosarcoma, using the median values for patient stratification analyzed by the Kaplan-Meier Plotter, a tool for meta-analysis-based biomarker assessment (Figure 1B).