Luminal A breast cancer is typically positive for which hormone receptors?

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Multiple Choice

Luminal A breast cancer is typically positive for which hormone receptors?

Explanation:
Luminal A cancers are driven by hormones, so they express hormone receptors. The defining feature is positivity for estrogen receptor and/or progesterone receptor, which is why endocrine therapies (such as tamoxifen or aromatase inhibitors) are effective. They are typically HER2-negative, which helps distinguish them from other subtypes, but when it comes to hormone receptors, ER and/or PR positivity best describes Luminal A.

Luminal A cancers are driven by hormones, so they express hormone receptors. The defining feature is positivity for estrogen receptor and/or progesterone receptor, which is why endocrine therapies (such as tamoxifen or aromatase inhibitors) are effective. They are typically HER2-negative, which helps distinguish them from other subtypes, but when it comes to hormone receptors, ER and/or PR positivity best describes Luminal A.

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