What are the risks of progression of bladder cancer by tumor grade?

Updated: Feb 23, 2021
  • Author: Kara N Babaian, MD, FACS; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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The risk of progression, defined as an increased tumor grade or stage, depends primarily on the tumor grade, as follows:

  • Grade I – 2-4%
  • Grade II – 5-7%
  • Grade III – 33-64%

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