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tnbc mutated to hormone positive?

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jojo71
jojo71 Member Posts: 20
in Stage IV/Metastatic Breast Cancer ONLY

Has anyone had their tnbc mutate to be hormone positive? I was originally 99% er+ and 1% pr+. Then I was tn. Now I'm 95% er+ and 75% pr+! My understanding is that breast cancer usually becomes less hormone positive, not more…I'm not sure what to think…

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  • exbrnxgrl
    exbrnxgrl Member Posts: 4,780
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    jojo,

    I have no medical training or expertise beyond being a stage IV patient for over 12 years. I know that there are “typical” occurrences, paths to progression, etc., but what I have learned over that time is that are also many atypical situations. Breast cancer is far more complicated than I could have ever imagined. Just because something might be usual doesn’t mean the unusual doesn’t happen sometimes. My whole bc experience has been unusual. Take care

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