I know there are different staging methods. In breast cancer the TNM and basic staging of breast cancer are integrated. In colon cancer we have the TNM staging and the another method ranging from 0 to 4. They are staged based on different histological findings. What are the differences between these two?

  • Colon cancer staging uses the TNM method and produces a number between 0 and 4. I think you misunderstand these to be two separate staging methods when they're not. Questions are required to show some degree of prior research here, and I think you need to do some more and clarify what you're asking. – Carey Gregory Jan 12 at 16:21

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