Im a bit confused about my results. Biopsy came back HER2 2+ so did FISH which came back 2low.
Surgery pathology came back 2+ so now waiting for FISH on that.
Hopefully itll come back negative but if it comes back HER 2low i dont know if itll be positive or negative? So confusing.
Hello susynight
Thanks for posting. Pathology results can be confusing. You explain the result of the HER2 testing on your breast biopsy was +2 (borderline) and the FISH test came back with HER2 low. Now you are waiting for the FISH testing on the tissue removed at surgery.
There is some evidence that HER2-low breast cancer may benefit from targeted treatments, such as trastuzumab. However, more research is needed so are not yet offered as treatment outside of a clinical trial.
If the FISH testing from surgery comes back as HER2 negative or HE2 low its likely you will not be offered treatment like trastuzumab as it won’t be considered necessary or helpful. Do speak to your treatment team about this, perhaps you could contact your breast care nurse. Or you may prefer to wait until after your results are available.
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Best wishes
Jane
Breast Care Nurse
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