Maria,
The Bayer Serum Test can and is used for women who are ER/PR+. Hormone status does not affect the HER2 serum test. It is usually used for metastatic HER2 breast cancer patients.
Here are some links to info on the HER2 serum test
http://www.her2support.org/patientb.pdf
http://www.her2support.org/faq.pdf
__________________
Kate
Stage IIIC Diagnosed Oct 25, 2005 (age 58)
ER/PR-, HER2+++, grade 3, Ploidy/DNA index: Aneuploid/1.61, S-phase: 24.2%
Neoadjunct chemo: 4 A/C; 4 Taxatore
Bilateral mastectomy June 8, 2006
14 of 26 nodes positive
Herceptin June 22, 2006 - April 20, 2007
Radiation (X35) July 24-September 11, 2006
BRCA1/BRCA2 negative
Stage IV lung mets July 13, 2007 - TCH
Single brain met - August 6, 2007 -CyberKnife
Oct 2007 - clear brain MRI and lung mets shrinking.
March 2008 lung met progression, brain still clear - begin Tykerb/Xeloda/Ixempra
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