(CB) after radiotherapy (RT) for first breast cancer. METHODS AND MATERIALS: The study
population included participants in the Women's Environmental, Cancer, and Radiation
Epidemiology study: 708 cases (women with asynchronous bilateral breast cancer) and
1399 controls (women with unilateral breast cancer) counter-matched on radiation
treatment. Participants were< 55 years of age at first breast cancer. Absorbed doses to …