It sounds like you're asking about what it means to be HER2-negative and estrogen receptor-positive (ER+). This is actually one of the most common breast cancer subtypes, so you're definitely not alone in navigating this.
Here's what those results mean:
- HER2-negative means your cancer cells do not overproduce the HER2 Show Full Answer
It sounds like you're asking about what it means to be HER2-negative and estrogen receptor-positive (ER+). This is actually one of the most common breast cancer subtypes, so you're definitely not alone in navigating this.
Here's what those results mean:
- HER2-negative means your cancer cells do not overproduce the HER2 protein, so targeted HER2 therapies (like trastuzumab) are not part of your treatment plan
- ER-positive (ER+) means your cancer cells have estrogen receptors, and estrogen is helping the cancer grow
Because your cancer is fueled by estrogen, hormone therapy is typically a key part of treatment. This may include:
- Tamoxifen – blocks estrogen from attaching to cancer cells
- Aromatase inhibitors – reduce the amount of estrogen in your body
The good news is that ER+ breast cancer often responds very well to hormone therapy, and outcomes are generally favorable, especially when caught early.
That said, every situation is unique, so it's always best to talk with your oncologist about the treatment plan that's right for you specifically.
April 27
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