Fact Sheets

Digital Breast Tomosynthesis (3D Mammography)
With digital breast tomosynthesis (DBT) mammography, a special machine takes multiple X-rays of breast tissue from various angles. A computer then combines these images into a number of 1-millimeter slices of breast tissue that radiologists can examine to look for signs of breast cancer.
Breast Cancer
Breast cancer is a disease in which cells in the breast grow erratically and turn into cancer. Learn about symptoms and treatment.
Dense Breasts
Dense breasts have a higher proportion of glandular and connective tissues relative to fatty tissue.
Cancer
Whether for screenings, diagnosis, or treatment for yourself or someone you care about, Yale Cancer Center offers multidisciplinary care.
Cancer Screening
Cancer screening is any method of looking for cancer before it causes symptoms and may be easier to treat.
Bedside Ultrasound
Bedside ultrasound is an advanced technology that's especially helpful in emergency medicine, allowing doctors to closely monitor patients.
Diagnosing Cancer
Doctors only diagnose cancer after ruling out other possible causes for symptoms and performing tests to check and double-check the diagnosis. Learn more about these tests.
Chest Pain
The number one cause of death in America is heart attack, and the top symptom of a heart attack is chest pain, so people should take such pains seriously.
Liver Cancer
A type of cancer that starts in the liver and can cause stomach pain and swelling and jaundice.
Metastatic Cancer
Metastatic cancer, also known as stage IV (or 4), is the name for cancer that has spread from the site in the body where it started to another part of the body. Cancer can spread to any part of the body, but it most often spreads to the lungs, bones, liver, and brain.