Tumour biomarker expression relative to age and molecular subtypes of invasive breast cancer

Abstract excerpt

BACKGROUND: Quantitative differences in biomarker expression relative to age and molecular subtypes have not been well documented in invasive breast cancer (IBCA). METHODS: Oestrogen receptor (ER), progesterone receptor (PR), HER2, ki67, p53 and DNA ploidy was performed by image analysis in 162 consecutive IBCAs in women (≤ 40 years) and compared with women ≥ 50 years (100 cases). Molecular subtypes were defined...

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