不是原位癌的概念.原位癌是指癌细胞局限于其起源的上皮层，没有穿透基底膜，所以一般不会转移。

来源: stonypoint 于 2011-10-10 11:19:12 [旧帖] [给我悄悄话] 本文已被阅读：次

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