Just diagnosed w/a new breast cancer for the 3rd time
I had ER/PR+ Her2- in the left in 2020 and then ER/PR+ Her2- in the right in 2022. Now I've been diagnosed, 2026, with ER/PR- Her2 3+ Ki-67 20% in the left.
Can anyone help me understand this new diagnosis or share their experiences?
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Hi @my3rdfight, and welcome to our Community. We are so very sorry for the reasons that bring you here, but we're so glad you've found us. You're sure to find our community a wonderfuls source of advice, information, encouragement and support — we're all here for you!
Being diagnosed with a third breast cancer must certainly be distressing. We're here to help you through. Can you tell us a little more about your first 2 diagnoses - what treatments did you have with those?
Here's information on some pieces of your pathology report and how they might guide your treatment, while you wait for more answers:
- All about Hormone Receptor Status
- All about HER2 Status
- Ki-67 (Rate of Cell Growth)
- Treatments for HER2 Positive Breast Cancer
If you'd like to connect in real time, we suggest you check out our Virtual Support Groups, where you can get additional support as you navigate your care.
We hope this helps you get started.
—The Breastcancer.org Moderators
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First cancer was in 2020, in the left breast, Stage 1, IDC, ER/PR+ Her2-, isolated tumor cells in 1 lymph node. I had a lumpectomy, radiation, then tamoxifen. Ended up getting a hysterectomy in Sept. 2022, so then I was switched to Anastrazole and now Aromasin.
Second cancer was in Oct. 2022, in the right breast. Stage 1, IDC, ER/PR+ Her2-, no lymph nodes. Again, lumpectomy and radiation, and still on Aromasin.
May 2026, I'm back in the left breast with IDC, ER/PR- Her2 3+ Ki-67 20%, and so far, it looks like lymph nodes are ok. I'll be doing chemo and Herceptin after surgery. I go tomorrow, June 11, 2026, to meet with the surgeon.
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