Fact Sheets

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.
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.
Cancer
Whether for screenings, diagnosis, or treatment for yourself or someone you care about, Yale Cancer Center offers multidisciplinary care.
Pemphigus and Pemphigoid
Pemphigus and pemphigoid are two rare autoimmune blistering disorders that are not contagious. Learn about symptoms and treatment.
Radiation Therapy
Half of all people with cancer are treated with radiation therapy. It is effective for treating almost all types of cancer in almost any part of the body.
Lung Cancer in Nonsmokers
Lung cancer in nonsmokers is cancer that is commonly dispersed throughout the lungs rather than concentrated in one location. Learn about symptoms and treatment.
Inflammatory Breast Cancer
Inflammatory breast cancer is an aggressive form of breast cancer that can progress over several weeks or months. Learn about symptoms and treatment.
Breast Reconstruction
For women who have had a mastectomy or lumpectomy, breast reconstruction surgery helps restore the appearance of the breasts.
Clinical Trials
New drugs and medical treatments need to go through a series tests called clinical trials. This is how new and better treatments are made possible.