MYC and neoplasm: We then performed cluster analysis of EpS, MRT, and ATRT (Figure 2A,B and supplementary material, Figure S5) and delineated four clusters across SMARCB1‐deficient neoplasms: cluster1 (ATRT‐TYR), cluster2 (ATRT‐SSH), cluster3 (ATRT‐MYC and MRT), and cluster4 (EpS).