CSCs	Cancer stem cells
BCSCs	Biomarkers of CSCs
DE-BCSCs	Differentially expressed BCSCs
TCGA	The Cancer Genome Atlas
GEO	Gene Expression Omnibus
scRNA-seq	single-cell RNA sequencing
GO	Gene Ontology
KEGG	Kyoto Encyclopedia of Genes and Genomes
LASSO	Least Absolute Shrinkage and Selection Operator
OS	Overall Survival
TME	Tumor microenvironment
BLCA	Bladder cancer
EMT	Epithelial–Mesenchymal Transition
UMAP	Uniform Manifold Approximation and Projection
GSEA	Gene Set Enrichment Analysis
LIANA	Ligand–receptor ANalysis frAmework