Breast cancer occurs when breast cells begin to grow abnormally. The image and information below shows how cancer cells may spread (metastasize) through your breast to other parts of your body through blood and lymph vessels. If you are diagnosed with breast cancer, tests will be done to find out if the cancer has spread.
Breast Cancer Types
Meet Our Breast Cancer Surgeons
The Margie Petersen Breast Center at Providence Saint John’s Health Center brings you some of the finest breast cancer care in Southern California.