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What is the process of stage grouping for colorectal cancer?

Once a person's T, N, and M categories have been determined, usually after surgery, this information is combined in a process called stage grouping. The stage is expressed in Roman numerals from stage I (the least advanced) to stage IV (the most advanced). Some stages are subdivided with letters.

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Colorectal cancer is staged according to the depth of tumor invasion into the bowel wall and nearby ...
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What are the M categories for colorectal cancer?
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M categories indicate whether or not the cancer has spread (metastasized) to distant organs, such as...
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What are the N categories for colorectal cancer?
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N categories indicate whether or not the cancer has spread to nearby lymph nodes and, if so, how man...
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Another factor that can affect the outlook for survival is the grade of the cancer. Grade is a descr...
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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.