Breast cancer starts in the cells of the breast. Learn about symptoms, screening, diagnosis, treatment and risks in our guide to breast cancer.
Types of breast cancer include ductal carcinoma in situ, invasive ductal carcinoma, inflammatory breast cancer, and metastatic breast cancer. Metastatic Breast.
Breast cancer is the second most common cancer in women after skin cancer. Mammograms can detect breast cancer early, possibly before it has spread.
Breast cancer is the most commonly occurring cancer in women and the second most common cancer overall. There were over 2 million new cases in 2018.
Read the American Cancer Society's most recent estimates and statistics for breast cancer in women in the United States.