Changes in HER2 Breast Cancer Testing According to 2007 and 2013 ASCO/CAP Guidelines

May 15, 2017 – Hanna et al have reported that the 2013 update to the 2007 ASCO/College of American Pathologists (CAP) recommendations for HER2 testing in breast cancer did not result in changes in the overall HER2-positivity rate but was associated with a higher rate of equivocal results. Their findings were reported in the Journal of Clinical Oncology. The study involved patient cases with HER2 testing scores from the largest regional reference laboratory for … (leggi tutto)