It could be a pre-cancerous condition like atypia hyperplasia.

If it develops further, it can become carcinoma in situ (like DCIS: ductal carcinoma in situ).

If it is stromal atypia, I think the worry is about phyllodes tumor of the breast.

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• So whatever the case, what can be done about it? Just -bad2009- ♀ (153 bytes) () 04/25/2009 postreply 19:50:13

• My opinion: Since core needle biopsy is a small piece -HenryLi- ♂ (409 bytes) () 04/26/2009 postreply 11:12:01