Risk of early progression according to circulating ESR1 mutation, CA-15.3 and cfDNA increases under first-line anti-aromatase treatment in metastatic breast cancer oleh Florian Clatot, Anne Perdrix, Ludivine Beaussire, Justine Lequesne, Christelle Lévy, George Emile, Michael Bubenheim, Sigrid Lacaille, Céline Calbrix, Laetitia Augusto, Cécile Guillemet, Cristina Alexandru, Maxime Fontanilles, David Sefrioui, Lucie Burel, Sabine Guénot, Doriane Richard, Nasrin Sarafan-Vasseur, Frédéric Di Fiore