HER2 Testing in Breast Cancer: American Society of Clinical Oncology/College of American Pathologists Clinical Practice Guideline Focused Update Summary
1 Johns Hopkins Sidney Kimmel Comprehensive Cancer Center, Baltimore, MD; Intermountain Healthcare and University of Utah School of Medicine, Salt Lake City, UT; Stanford University School of Medicine, Stanford, CA; American Society of Clinical Oncology, Alexandria, VA; National Cancer Institute, Bethesda, MD; and The Royal Marsden NHS Foundation Trust, London, United Kingdom.