
Triple-negative breast cancer is a type of invasive (infiltrating) ductal carcinoma (IDC) in which three of the most common receptors known to “fuel” breast cancer, estrogen, progesterone, and the HER-2/neu gene, are not present.Invasive ductal carcinoma starts in a milk duct, breaks through the wall of the duct, and invades the tissue of the breast. Invasive ductal carcinoma is the most commonly diagnosed breast cancer, accounting for about eight...