476 PFS by patient subgroup for standard chemotherapies in combination with bevacizumab (BV) in the first-line treatment of HER2-negative locally recurrent (LR) or metastatic breast cancer (mBC): results from RIBBON-1
Igor Bondarenko, John A. Glaspy, Adam Brufsky, Oleg Nikolaevich Lipatov, Edith A. Perez, StephenY.T. Chan, X. Zou, See-Chun Phan, Nicholas J. Robert, Veronique C Dieras
Abstract