NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,811 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

stage IIIB breast cancer
(... brest KAN-ser)
Stage III is divided into stages IIIA, IIIB, and IIIC. 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 (1) up to 9 axillary lymph nodes; or (2) the lymph nodes near the breastbone. Cancer that has spread to the skin of the breast may also be inflammatory breast cancer.

EnlargeStage IIIB breast cancer. The drawing on the left is a cross section of the breast showing  that cancer has spread to the chest wall. The ribs, muscle, and fatty tissue are also shown. The drawing on the right shows the tumor has spread to the skin of the breast. An inset shows inflammatory breast cancer.

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 up to 9 axillary lymph nodes or the lymph nodes near the breastbone. Cancer that has spread to the skin of the breast may be inflammatory breast cancer.