How transferable are recommendations of the era of treating conventionally defined breast cancer for the era of molecularly characterised breast cancer?
1 1 Ludwig Boltzmann Institute for Applied Cancer Research (LBI-ACR VIEnna) - LB Cluster Translational Oncology, 3rd Medical Department - Centre for Oncology and Haematology, Kaiser Franz Josef-Spital, Kundratstr 3, Vienna, Austria ; 2 Applied Cancer Research - Institution for Translational Research Vienna (ACR-ITR VIEnna), Bernardgasse 24, A-1070, Vienna, Austria.