MSD Manual

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Staging Colon Cancer (2)
Staging Colon Cancer (2)
Staging Colon Cancer (2)
  • STAGE 0: Cancer is limited to the inner layer (lining) of the large intestine (colon) covering the polyp. More than 95% of people with cancer at this stage survive at least 5 years.

  • STAGE 1: Cancer spreads to the space between the inner layer and muscle layer of the large intestine. (This space contains blood vessels, nerves, and lymph vessels.) More than 90% of people with cancer at this stage survive at least 5 years.

  • STAGE 2: Cancer invades the muscle layer and outer layer of the colon. About 55 to 85% of people with cancer at this stage survive at least 5 years.

  • STAGE 3: Cancer extends through the outer layer of the colon into nearby lymph nodes. About 20 to 55% of people with cancer at this stage survive at least 5 years.

  • STAGE 4 (not shown): Cancer spreads to other organs, such as the liver, lungs, or ovaries, or to the lining of the abdominal cavity (peritoneum). Fewer than 1% of people with cancer at this stage survive at least 5 years.

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Colorectal Cancer