Genetic Epidemiology of Breast and Ovarian CancersGenetic Epidemiology of Breast and Ovarian CancersA research study about factors that might increase the chance of getting breast and ovarian cancers. Eligible: female 18-80 yr old; diagnosed with breast cancer under age 50; diagnosed with ovarian cancer at any age; strong family history of breast and/or ovarian cancer.ClinicalTrials.gov registration not requiredGail Tomlinson MD, PhD