Urothelial Carcinoma In Situ (CIS): Understanding Your Pathology Report
Urothelial carcinoma in situ (CIS) is a type of non-invasive cancer that starts in the lining of the urinary tract. The urinary tract includes the bladder, kidneys, ureters, and urethra. “In situ” means that the cancer cells are only found in the urothelium (inner lining) and have not spread to deeper tissues. However, if not …
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