Triple-negative breast cancer

{
  "id": "MLC-T-ONC-008913",
  "term": "Triple-negative breast cancer",
  "field": "Oncology and biomedicine",
  "definitions": [
    "A type of breast cancer in which the tumor cells do not have estrogen receptors, progesterone receptors, or large amounts of HER2/neu protein on their surface. Knowing whether breast cancer is triple negative is important in planning treatment. Also called ER-negative PR-negative HER2/neu-negative breast cancer and TNBC.",
    "Triple-negative breast cancer is defined by a lack of expression of estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2/neu). Also called ER-negative PR-negative HER2/neu-negative breast cancer and TNBC."
  ],
  "synonyms": [
    "ER-negative PR-negative HER2/neu-negative breast cancer",
    "TNBC"
  ],
  "references": [
    "NCI Dictionary of Cancer Terms",
    "NCI Dictionary of Genetics Terms"
  ],
  "url": "https://mlchart.com/terminology/oncology/triple-negative-breast-cancer/"
}