Abstract
• Breast cancer (BC) is a heterogeneous disease, comprising multiple entities associated with distinctive histological and biological features. • The heterogeneity may be decreased after stratifications by grade (especially for grade I and III tumours) or by ER/PR status; however, one residual unpredictable heterogeneity is still observed. • Among predictive factors, also race and cancer subtype could play a modifying role.
Future directions. In theory, understanding which genes are amplified, which are deleted, and which are mutated in the BC cells provides the base for a rational, tailored medical treatment. Further studies on sources of still unknown heterogeneity of genetic/epigenetic characteristics could lead to a more stratification rather than unification of breast cancer assessment and treatment.
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Websites in Appendix: Predictive Markers, A-4.17; Second Opinion, A-4.20.
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Sacchini, V.S., Pluchinotta, A.M. (2015). Staging and Workup of Invasive Breast Cancer. In: Pluchinotta, A. (eds) The Outpatient Breast Clinic. Springer, Cham. https://doi.org/10.1007/978-3-319-15907-2_13
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DOI: https://doi.org/10.1007/978-3-319-15907-2_13
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