Fast Five Quiz: Adjuvant Therapy for HR+, HER2- Breast Cancer

Elwyn C. Cabebe, MD

Disclosures

February 08, 2022

Approximately 70% of all breast cancers are hormone receptor–positive (HR+), with tumor cells expressing either the estrogen receptor (ER), progesterone receptor (PR), or both. Testing for human epidermal growth receptor 2 (HER2) protein overexpression and/or HER2 gene amplification is undertaken at diagnosis to guide treatment decisions. More than 70% of HR+ patients have HER2-negative (HER2-) tumors, making it the most common invasive breast cancer subtype. Adjuvant therapy for breast cancer aims to treat micrometastatic disease. A cornerstone of treatment for HR+/HER2- breast cancer is adjuvant endocrine therapy (eg, aromatase inhibitors and/or antiestrogens with or without ovarian suppression).

How familiar are you with adjuvant therapy for this breast cancer subtype? Test your knowledge with this fast quiz.

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