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Breast Cancer

What is the meaning of

ER:- Negative
PR Negative
Cerb B2- positive
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25201 tn?1255584436
ER/PR negative means that the cancer is NOT dependant on Estrogen/Progesterone for it's growth. Cerb2 or HER2/neu positive means that the cancer IS dependant on a particular protein for growth. These cancers are considered to be more aggressive. This type of cancer cannot be treated with hormone therapy but can be treated with Herceptin.      Regards ....
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