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Breast Cancer Treatment and Pregnancy (PDQ®): Treatment - Patient Information [NCI] - Stages of Breast Cancer

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Stage IIIB

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Stage IIIB breast cancer. The tumor may be any size and cancer has spread to the chest wall and/or to the skin of the breast and caused swelling or an ulcer. Cancer may have spread to axillary lymph nodes or lymph nodes near the breastbone. Cancer that has spread to the skin of the breast may be inflammatory breast cancer.

In stage IIIB, the tumor may be any size and cancer has spread to the chest wall and/or to the skin of the breast and caused swelling or an ulcer. Also, cancer may have spread to:

  • up to 9 axillary lymph nodes; or
  • the lymph nodes near the breastbone.

Cancer that has spread to the skin of the breast may also be inflammatory breast cancer. See the section on Inflammatory Breast Cancer for more information.

Stage IIIC

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Stage IIIC breast cancer. No tumor is found in the breast or the tumor may be any size and may have spread to the chest wall and/or the skin of the breast. Also, cancer has spread to 10 or more axillary lymph nodes (left panel); OR to lymph nodes above or below the collarbone (middle panel); OR to axillary lymph nodes and lymph nodes near the breastbone (right panel).

In stage IIIC, no tumor is found in the breast or the tumor may be any size. Cancer may have spread to the skin of the breast and caused swelling or an ulcer and/or has spread to the chest wall. Also, cancer has spread to:

  • 10 or more axillary lymph nodes; or
  • lymph nodes above or below the collarbone; or
  • axillary lymph nodes and lymph nodes near the breastbone.

Cancer that has spread to the skin of the breast may also be inflammatory breast cancer. See the section on Inflammatory Breast Cancer for more information.

For treatment, stage IIIC breast cancer is divided into operable and inoperable stage IIIC.

Stage IV

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Stage IV breast cancer. The cancer has spread to other parts of the body, most often the bones, lungs, liver, or brain.

In stage IV, cancer has spread to other organs of the body, most often the bones, lungs, liver, or brain.

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WebMD Public Information from the National Cancer Institute

Last Updated: February 25, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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