Acta Medica Port
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The c-erb2 proto-oncogene is a member of the epidermal growth factor receptor family and has been associated with a more aggressive breast tumour biology and resistance to some types of treatments. ⋯ There is not any advantage to determine c-erb-2 as a prognostic factor on overall survival either on relapse free-survival. Attending the homogenous characteristics between both groups with any statistical differences according age.