A prospective cohort study to analyse the effect of socioeconomic deprivation on breast cancer stage at diagnosis, treatment allocation and outcomes in older women in the United Kingdom. Issue 2 (February 2022) - Tresilian, George; Morgan, Jenna; Wyld, Lynda; Reed, Malcolm; Martin, Charlene; Chater, Timothy; Pemberton, Kirsty; Leung, Kwok Cheung; Audisio, Riccardo; Thompson, Alastair; Horgan, Kieran; Holcombe, Chris