迄今已有不少研究证明雌激素受体(ER)阳性性乳腺癌患者的无病间期(di,ease一free interval)比ER阴性者长,激素治疗的效果也较好。实验表明ER生化测定是诊断乳腺癌的一项有价值的指标,然而它所需组织标本较多,而且不可避免地还会带有一些正常的上皮组织, Many studies have so far demonstrated that patients with estrogen receptor (ER) -positive breast cancer have a longer duration of disease-free disease (di, ease-free interval) than those with ER-negative disease and hormone therapy is also effective. Experiments show that ER biochemical assay is a valuable indicator of the diagnosis of breast cancer, but it requires more tissue samples, but also inevitably with some normal epithelial tissue,