New Cellular Flaw Found In Some Virulent Breast Cancers

New Cellular Flaw Found In Some Virulent Breast Cancers: "Breast cancers composed of cells that contain both the overactive cyclin D1- CDK4 switch and a mutated cancer-causing gene ErbB-2 (also known as HER2) are extremely difficult to treat. In one recent study, the seven-year survival rate for women with this subgroup of breast cancers was only about 13 percent. "