SAN ANTONIO (EGMN) - Total cancer mortality among middle-aged women in the United States and United Kingdom has declined markedly since 1990 - and an unprecedented drop in breast cancer mortality is the biggest reason why, Sir Richard Peto, Ph.D., said at the San Antonio Breast Cancer Symposium. Indeed, through a series of moderate gains in survival achieved via breast screening plus incremental advances in endocrine therapy, chemotherapy, and radiotherapy, breast cancer mortality in women aged 35-69...