Breast Ca: I am assuming you or someone you know was diagnosed with a breast cancer recently. Stage 3A mean that there is more involvement of the lymph nodes than earlier stages or a large primary breast tumor with only a few nodes). The ER and PR status is important so that hormonal treatment can be given. HER2 negative means that no antibody to that protein is needed (Herceptin). Discuss this with her MD.
Answered 11/9/2015
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