Triple-negative cancer of the breast: 5 things you need to know
Contents What is triple-negative breast cancer? | Dana-Farber Cancer Institute When doctors identify cancer of the breast, they appear for 3 kinds of receptors — oestrogen receptor, progesterone receptor and human epidermal growth factor receptor 2 (HER2) — expressed within the cancer of the breast. They are what cause most breast cancers to develop. They …