At the same time, other large studies, including one published in the New England Journal of Medicine in 2002, found no increase in breast-cancer risk among pill users.
同时,一些其他的大规模研究,其中包括一项发表在2002《新英格兰医学杂志(New England Journal of Medicine)》的研究报告,其结果却是,在避孕药服用者中没有发现乳腺癌增长风险。
Heredity accounts for about 10% of all breast cancers, and abnormal BRCA1 and BRCA2 genes explain a large number of these cancers.
大约10%的乳腺癌是这一类型,不正常的BRCA1和BRCA2基因是导致这一类型癌症的主要原因。
When breast cancer has spread to a patient's lymph system, surgeons traditionally have operated to remove a large number of underarm lymph nodes, to eliminate any trace of the cancer.
当乳癌细胞扩散到淋巴腺时,传统的治疗方法是,切除病人腋下下大部分淋巴结,以消灭所有癌细胞。
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