来自《耶鲁大学开放课程：生物医学工程探索第24集第24集》

whether it has spread locally to lymph nodes.

它是否扩散到局部淋巴结来进行分类
That's these end stages here,

那就是终极的阶段
and whether it has metastasized to different sites.

以及是否已经转移到不同的地方
Ordinarily, a physician will classify a tumor according to

通常医生会根据
the tumor nodal involvement metastasis

肿瘤远处转移的分类
classification that's appropriate for that kind of tumor.

来匹配肿瘤的种类
This allows physicians to say exactly

这就允许医生可以很准确地说出
where your cancer is at in development.

所患癌症处于什么阶段
We know,

我们知道
because we've been treating cancer for a long time now,

因为我们开展癌症治疗已有相当长的历史
you can select a treatment that's most likely to

你可以选择一个最适合的方法
work for the stage that it's at.

来治疗处于特定阶段的癌症