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What is carcinoma in situ (CIS)?

April 26, 2017carcinoma CIS situ

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What is carcinoma in situ (CIS)?

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CIS looks like a flat patch of red velvet lying on top of the bladder lining. Although CIS begins on the surface of the bladder lining, it is a high-grade cancer, which means that without treatment it may grow into the bladder wall and spread to other parts of the body.