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Role of hormonal risk factors in HER2-positive breast carcinomas
A Balsari1, P Casalini, R Bufalino
1Istituto Nazionale Tumori, Milano, Italy.
British Journal of Cancer
|April 3, 2003
Abstract:
Examination of parity, age at menarche and at menopause by HER2 status in a large series of breast carcinomas showed a statistically significant increased-frequency of HER2-positive tumours in lower risk subgroups. The findings suggest a difference in the protective role of hormone-related risk factors between HER2-positive and -negative tumours.