title: Radiotherapy in older women with low-risk breast cancer: why did practice not change?
authors.forename: Sharon H
authors.initials: SH
authors.lastname: Giordano
mesh_terms: D001943:Breast Neoplasms / Q000401:mortality* / Q000532:radiotherapy*; D005260:Female; D006801:Humans; D008017:Life Expectancy; D006278:Medicare