Q. I’ve been diagnosed with triple negative breast cancer. Is this a type of breast cancer like IDC or inflammatory breast cancer, or…?
A. No, it’s not a type of breast cancer like those you mentioned. You can have IDC and a triple negative diagnosis; or invasive lobular cancer, and be triple negative, too.
So, while IDC and ILC and DCIS are breast cancer sub-types, triple negative is a phenotype – that is, “triple negative” refers not to what the cancer is, but how it behaves.
And...

