Introduction: Molecular markers determined by immunohistochemistry are routinely used for predicting and prognosticating cancers including breast cancer. Molecular markers for breast cancer such as oestrogen and progesterone receptors, Her2, p53, pS2, Bcl2, EGFR, Ki67, CD34 and Cathepsin D have been used in Raja Isteri Pengiran Anak Saleha (RIPAS) Hospital. This study assessed the ethnic variat...
