HR-positive/HER2-negative is the most common subtype of breast cancer. It accounts for about 70% of breast cancers. This is nearly four times the HER2-positive rate, which accounts for about 15%-20% of cases. The triple-negative breast cancer rate accounts for about 15% of cases as well.
Medscape © 2023 WebMD, LLC
Any views expressed above are the author's own and do not necessarily reflect the views of WebMD or Medscape.
Cite this: Pavani Chalasani, Stefania Morganti. Skill Checkup: A 56-Year-Old Woman With a History of Breast Cancer and Pain in Her Ribs and Spine - Medscape - Jan 23, 2023.