Triple-negative breast cancer TNBC accounts for about 10-15 of all breast cancers. My mum has recently been diagnosed with stage 4 cancer tnbc.
Triple-negative breast cancer is cancer that tests negative for estrogen receptors progesterone receptors and excess HER2 protein.
Triple negative stage 4 breast cancer. 22 Sep 2020 2255 in response to positivityisthekey. Stage 4 Triple negative breast cancer. The term triple-negative breast cancer refers to the fact that the cancer cells dont have estrogen or progesterone receptors and also dont make too much of the protein called HER2.
These results mean the growth of the cancer is not fueled by the hormones estrogen and progesterone or by the HER2 protein. So triple-negative breast cancer. The cells test negative.