Colon cancer staging

Stages of Colorectal Cancer (Summary Staging)

  • Stage 0: Cancer is confined to inner lining of the colon wall (the mucosa).
  • Stage I: Cancer has spread beyond the mucosa to the middle layers of the colon wall.
  • Stage II: Cancer has spread beyond the colon's middle layers and possibly into nearby organs, but hasn't spread to lymph nodes.
  • Stage III: Cancer has spread to lymph nodes, but not to other parts of the body.
  • Stage IV: Cancer has spread to distant areas, like the liver or lungs.

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