203P Randomized study of single-agent metronomic versus weekly oral vinorelbine (VNR) as first-line chemotherapy in patients with HR+/HER2- advanced breast cancer. - Cazzaniga, M.E.; Martinez Jañez, N.; Kukielka-Budny, B.D.; Ulanska, M.; Bourgeois, H.; Muñoz Mateu, M.; Morales Murillo, S.; Bayo, J.; Cortesi, L.; Pinter, T.; Palacova, M.; Cherciu, N.; et al. (Annals of Oncology, 2021)