However, some lumps are not truly cancer cells since they can not spread out or endanger somebody’s life. These are called benign lumps. The tumors that can spread throughout the body or get into neighboring cells are considered cancer cells and also are called malignant growths. Theoretically, any of the kinds of tissue in the breast can create a cancer, yet typically it originates from either the ducts or the glands. For ladies currently at a high danger, their risk of creating breast cancer can be reduced by regarding 50% by taking a drug called Tamoxifen for 5 years.