美国食品和药品管理局还没有批准阿瓦斯汀用于眼部治疗，使用它来代替雷珠单抗可能会产生额外的安全风险，尽管这一风险也许很轻微。

The Food and Drug Administration has not approved Avastin for use in the eye, and using it rather than the alternative, Lucentis, might carry an additional, although slight, safety risk.

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阿瓦斯汀目前被美国食品和药物管理局(FDA)批准用于治疗肺癌和结肠癌，但许多医生将其用于治疗乳癌。

Avastin currently is approved by the U.S. Food and Drug Administration (FDA) for treating lung and colon cancer, but many doctors use it to treat breast cancer.

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阿瓦斯汀最严重的副作用（这些副作用有时可以导致死亡）有胃肠穿孔，伤口愈合并发症，出血和血块形成。

The most serious side effects associated with Avastin, in some cases resulting in death, are gastrointestinal perforation, wound healing complications, hemorrhage, and blood clots.

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