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Slide show: Stages of breast cancer
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Slide show
Slide show: Stages of breast cancer
By Mayo Clinic staff
Stages of breast cancer
The extent, or stage, of your breast cancer gives your doctor an idea of your prognosis — the likely outcome of your disease — and helps guide treatment decisions.
Your doctor determines your stage of breast cancer through examination of the tissue removed during a mastectomy or lumpectomy and of the lymph nodes under your arm.
Your breast cancer stage takes into account how large your cancer is and whether it has spread beyond your breast. Using this information, your doctor assigns a Roman numeral — I through IV — that describes your breast cancer stage.
Next slide- Edge SB, et al. AJCC Cancer Staging Manual. 7th ed. New York, N.Y.: Springer; 2010:347.
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