Having confirmed SMARCB1 expression in EPS cell models, we expanded molecular characterisation to include DNA whole exome and RNA whole transcriptome sequencing of EPS cell lines, cell cultures and patient‐origin tumour tissues (Figure 3), identifying recurrent variations in a subset of 26 genes including SMARCB1 (Figure 3A) and corresponding gene expression of the frequently altered genes (Figure 3B). Here, SMARCB1 is linked to neoplasm.