来自《耶鲁大学开放课程：生物医学工程探索 第24集 第24集》

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  local therapy might work;
  局部的治疗也许有用
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  surgery or radiation,
  手术或者放疗
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  or local chemotherapy which we'll talk about.
  或者我们将要讨论到的局部化疗
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  As it begins to invade other organs,
  当它开始入侵其他器官
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  then it becomes more difficult to treat.
  那么它就变得难以治疗
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  They can spread and I don't mean for you to--tumors can spread,
  它们能够扩散
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  and I don't mean for you to be able to see all this here
  我并不是说你总是看到这个样子
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  but you can look at this,
  但你可以看看这个
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  these slides will be posted as usual.
  这些幻灯片会照例贴出来
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  Not only can you classify the normal
  你不仅能够给这些
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  the original site of the tumor
  原发性肿瘤进行分类
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  and that's classifications of melanoma from T1 up to T4
  这里是黑色素瘤从T1到T4的分类