乳腺癌是女性常见的恶性肿瘤之一，而且发病率逐年上升，早期的诊断和治疗是降低乳腺癌死亡率的关键。

Breast cancer is one of the most common malignant diseases among women, the incidence of which is increasing with a high rate.

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这些区域确实改善了空气质量，而且科学表明，这意味着切实的健康收益——心脏病、中风和早产发病率降低，癌症、痴呆和哮喘等疾病的减少。

The zones do deliver some improvements to air quality, and the science tells us that means real health benefits—fewer heart attacks, strokes and premature births, less cancer, dementia and asthma.

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而且，妇女再次受到最严重影响，发病率高于男子。

And again, women are worst affected, with a higher rate of incidence than men.

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