Breast cancer cells usually form a tumor that can often be seen on an x-ray or felt as a lump. Non-cancerous breast tumors are abnormal growths, but they do not spread outside of the breast. They are not life threatening, but some types of benign breast lumps can increase a woman's.
Breast cancer is a disease in which cells in the breast grow out of control. There are different kinds of breast cancer. The kind of breast cancer depends on which .
Breast cancer survival rates are rising as screening and treatment improve. However, breast cancer is still the most invasive cancer in women.