我想：原位癌可以切除，一旦癌细胞进入血液，切除就难了。

来源: 薛成于 2017-03-06 11:58:39 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.