SHH and chronic myelogenous leukemia, BCR-ABL1 positive: To understand the expression profile of Shh signaling pathway genes in other independently reported CML studies, we analyzed the RNA-seq data from Branford et al.19 (80 samples) and microarray data available in the Gene Expression Omnibus data repository (GSE130404: 96 samples and GSE4170: 119 samples (www.ncbi.nlm.nih.gov/geo)20.