BC	bladder cancer
CI	confidence interval
ECM	extracellular matrix
ECOG PS	Eastern Co-Operative Oncology Group performance status
EMT	epithelial-to-mesenchymal transition
FFPE	formalin-fixed and paraffin-embedded
FGFR	fibroblast growth factor receptors
GC	gemcitabine + cisplatin
HNSCC	head and neck squamous cell carcinoma
HR	hazard ratio
IHC	immunohistochemistry
MIBC	muscle-invasive bladder cancer
MMP-7	matrix metalloproteinase-7
MVAC	methotrexate + vinblastine plus + doxorubicin + cisplatin
OS	overall survival
PFS	progression-free survival
UCCs	urothelial carcinoma cells