The American Modern society of Clinical Oncology–Higher education of yankee Pathologists (ASCO–CAP) guidelines have ongoing to evolve to Increase the precision and clinical utility of HER2 testing by offering particular algorithms15,16. In parallel with existing techniques, novel methods to quantify HER2 ranges or standardize methods are increasingly being investigated, together https://www.directivepublications.org/journal-of-clinical-breast-cancer/