Résumé : This concise handbook provides oncologists and other healthcare providers with crucial updates in the field, including an updated review of the current understanding of the biology of the HER2 pathway, an overview of HER2-testing, and evidence-based discussions of available and emerging HER2-targeted treatment options. An essential clinical text for physicians that screen and treat patients with breast cancer and require an accessible, up-to-date survey of the dynamic treatment landscape.