Head and Neck Cancer

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Staging



Staging is the process of describing the extent to which cancer has spread from the site of its origin. It is used to assess a patient's prognosis and to determine the choice of therapy. The stage of a cancer is determined by the size and location in the body of the primary tumor, and whether it has spread to other areas of the body.




Staging involves using the letters T, N and M to assess tumors by:

the size of the primary tumor (T);
the degree to which regional l...Read the full article