Bladder Cancer. Definition

Medical Definition: Bladder Cancer

Cancer that forms in tissues of the bladder (the organ that stores urine). Most bladder cancers are transitional cell carcinomas (cancer that begins in cells that normally form the lining of the bladder). Other types include squamous cell carcinoma (cancer that begins in thin, flat cells) and adenocarcinoma (cancer that begins in cells that make and release mucus and other fluids). The cells that make squamous cell carcinoma and adenocarcinoma develop in the lining of the bladder as a result of chronic irritation and inflammation.

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