What is the prognosis for triple negative breast cancer?

Need more info... All else being equal, women with triple negative breast cancer have a worse prognosis than those who are receptor-positive; however, prognosis is highly correlated with the size of the cancer and the presence of cancer within the axillary lymph nodes. Furthermore, some women are more responsive to chemo than others, which will affect prognosis.
Depends on stage. This depends on the stage of the cancer and the overall health of the patient.
Prognosis. That very much depends on the stage at diagnosis and the treatment; these days most women with triple negative breast cancer receive neoadjuvant chemotherapy prior to their surgery and much is learned from their response to the treatment they receive prior to their surgery, .