HER2 negative now HER2 positive
Hi, I have had biopsies which showed hormone positive HER2 negative cancer. I had over 6 months of neoadjuvant chemo before bilateral mastectomy surgery and the results from the surgery shows my canc...
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The original core biopsies we analysed using IHC and FISH and were checked again with my surgery results. From what I am hearing the change with HER2 status is not very common.