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Debbie L. · 06-01-2009, 08:44 AM

Longer answer:

HER2, if it changes, is more likely to go from negative to positive.

ERPR, if it changes, is more likely to go from positive to negative.

It is not always possible to biopsy mets to confirm, though.

Debbie Laxague

06-01-2009, 08:44 AM	#4
Debbie L. Senior Member Join Date: Jul 2006 Posts: 463	short answer: yes Longer answer: HER2, if it changes, is more likely to go from negative to positive. ERPR, if it changes, is more likely to go from positive to negative. It is not always possible to biopsy mets to confirm, though. Debbie Laxague