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What are the stages of colon cancer?

Dr. Jeanne Morrison, PhD
Family Practitioner

Colon cancer ranges from stages 0 to IV, with 0 being the least severe and IV being the most serious. In stage 0, the cancer is contained within the inner layer of the colon. In stage I, the cancer is grown through the inner layer, but hasn't spread beyond the colon. In stage II, the cancer has grown into or through the colon wall, and in stage III, the cancer has spread to the nearest lymph nodes. In stage IV, the cancer has spread far outside the colon to other organs.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.