Table 1. Widely accepted classifications of BC based on molecular phenotypes.

UNC	MDA	Lund	TCGA	Broad
Basal	Basal	UroA	Cluster I	Basal
Luminal	Luminal	UroB	Cluster II	Luminal
Claudin-low	P53-like	GU	Cluster III	Luminal immune
		SCCL	Cluster IV	Immune undifferentiated
		Infiltrated

BC, bladder cancer; UNC, the University of North Carolina; MDA, MD Anderson Cancer Center; Lund, Lund University; TCGA, The Cancer Genome Atlas; Broad, Broad Institute of Massachusetts Institute of Technology and Harvard University; UroA, urobasal A; UroB, urobasal B; GU, genomically unstable; SCCL, squamous cell carcinoma like.