It is only in the last few years that professionals studying breast cancer have concluded that breast cancer is not one disease, but many different forms of cancer all originating in the breast. Depending on its stage of diagnosis, triple negative breast cancer can be extremely aggressive and more likely to recur and metastasize than other subtypes of breast cancer. It typically is responsive to chemotherapy, although it can be more difficult to treat because it is unresponsive to the most effective receptor targeted treatments. more >