Bladder Cancer

Bladder Cancer - Cancer that forms in the tissues of the bladder (the hollow organ in the lower part of the abdomen that stores urine). The most common form of bladder cancer is transitional cell carcinoma, which begins in cells in the innermost tissue layer of the bladder. Two other types of bladder cancer are squamous cell carcinoma (which begins in thin, flat surface cells called squamous cells) and adenocarcinoma (which begins in glandular, or secretory, cells that make and release mucus and other fluids). The vast majority of bladder cancers develop in adults aged 55 or older. Smoking is the greatest risk factor for bladder cancer.

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