What Is Breast Cancer?

Breast cancer begins when normal cells in the breast begin to change and grow uncontrollably, forming a mass called a tumor.

Breast Cancer Screening

To provide the most accurate screening, Northwestern Medicine uses leading-edge imaging technology for breast care.

Diagnostic Imaging

Northwestern Medicine uses leading-edge diagnostic techniques to provide patients with exceptional care.

Tissue Localization Prior to Surgery

If your physician has determined through your biopsy that you need surgery to remove the abnormal tissue in your breast, your surgeon has multiple ways to locate the finding.

Dense Breast Tissue

Dense breast tissue is the normal supportive fibers and gland tissue in the breast and can only be determined by a mammogram.

Pathology Terminology

Learn terminology that may be on your biopsy pathology report.

When to See Your Physician

Prevention and early detection of breast cancer are important. At Northwestern Medicine, our breast health experts are with you on every stage of your journey.

Upload or Download Your Breast Imaging

In MyNM, you can view, upload or download breast images, such as mammograms and ultrasounds.