Neoadjuvant endocrine therapy (NAET) is used in the management of oestrogen receptor (ER)‐positive breast cancer. The optimal method for histological assessment of response and the effect of NAET on the… Click to show full abstract
Neoadjuvant endocrine therapy (NAET) is used in the management of oestrogen receptor (ER)‐positive breast cancer. The optimal method for histological assessment of response and the effect of NAET on the tumour morphology, grade and molecular profile remain unclear. The aim of this study is to investigate the NAET effect on tumour type, grade and molecular profile by analysing a well‐characterised cohort of breast cancer samples in a single large UK tertiary referral centre, and to provide guidance on the pathological assessment of those lesions to inform adjuvant management and prognosis.
               
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