Skill Checkup: A 56-Year-Old Woman With a History of Breast Cancer and Pain in Her Ribs and Spine

Pavani Chalasani, MD, MPH;  Stefania Morganti, MD


January 23, 2023

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.


Comments on Medscape are moderated and should be professional in tone and on topic. You must declare any conflicts of interest related to your comments and responses. Please see our Commenting Guide for further information. We reserve the right to remove posts at our sole discretion.