Abstract:BACKGROUND
Estrogen receptor (ER), progesterone receptor (PgR) and human epidermal growth factor receptor -2 (HER2) statuses are clinically used to select treatments. Several studies reported that discordance between primary and metastatic lesions lead to detrimental outcome. Although biopsy of recurrent breast cancer has been recently recommended by international clinical guidelines, prognostic relevance remains to be elucidated. The aim of the present study is to evaluate response to treatment… Show more
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