Bladder transitional cell carcinoma

Bladder tumor (tumor of bladder) is the most common tumor of the urinary system, accounting for 6% of male tumors and 2.5% of mortality. The etiology is not completely clear, but it is related to environmental, smoking and genetic factors. The impact of bladder cancer biological behavior is very concerned, and it has become a routine inspection program abroad. Bladder tumors are more than 40 years old. Superficial papillary tumors account for about 80%, and 30% are multiple tumors. Poorly differentiated invasive bladder cancer often occurs in older patients. Transitional epithelial cell carcinoma (transitional cell carcinoma) accounts for 94%, followed by adenocarcinoma and squamous cell carcinoma.

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