N Concordance 1 sponsiveness to adjuvant and palliative endocrine therapies. Presence of progest 2 rapy or the use of ablative or additive endocrine therapy to control disseminate 3 tive treatment Relapsed after adjuvant endocrine therapy with an antiestrogen o 4 of concomitant or sequential chemo- and endocrine therapy has not been consisten 5 least 30 days since systemic anticancer endocrine therapy Radiotherapy: At le 6 given chemotherapy may not benefit from endocrine therapy administered secondari 7 rnative to tamoxifen for the first-line endocrine therapy of postmenopausal adva 8 anced breast cancer or as a second line endocrine therapy after the failure of l 9 e not randomly submitted to maintenance endocrine therapy (MET). Liver involveme 10 I patients were to receive preoperative endocrine therapy consisting of leuproli 11 ncept is the correlation of response to endocrine therapy with the presence or a