Rafael Villanueva, MD from the Institut Català d'Oncologia, Barcelona, Spain is commenting on his abstract that has been presented at ASCO 2019 in Chicago. Hurvitz S.A. Phase III MONALEESA-7 trial of premenopausal patients with HR+/HER2− advanced breast cancer (ABC) treated with endocrine therapy ± ribociclib: Overall survival (OS) results. J Clin Oncol 37, 2019 (suppl; abstr LBA1008)