The American Culture of Clinical Oncology–Higher education of yankee Pathologists (ASCO–CAP) rules have continued to evolve to improve the precision and clinical utility of HER2 screening by giving unique algorithms15,16. In parallel with current approaches, novel ways to quantify HER2 amounts or standardize processes are being investigated, which includes quantitative https://www.directivepublications.org/journal-of-clinical-breast-cancer/