The extent of the bladder cancer — how far it has spread — matters. Your care team needs to know if your cancer sits on or in the first lining of your bladder (non-muscle invasive), if it goes into ...

Urothelial carcinoma is cancer of the urinary system. The urothelium is a kind of epithelial (protective) lining of the urinary system, which includes the urinary tract, bladder, your ureters (the ...