With The existing guidelines for receptor tests, all tumors with one% or maybe more of optimistic cells for ER and/or PR need to be considered as hormone receptor favourable, as well as the patients are hence candidates for endocrine therapy [95].V?i vi?c s? h?u hàm l??ng dinh d??ng v??t tr?i, ?áp ?ng nhu c?u c?n thi?t c?a c? th?, tác ??ng ?úng