326PEffectiveness of trastuzumab emtansine (TDM1) in patients with HER2-positive advanced breast cancer (ABC) progressing after taxane plus pertuzumab plus trastuzumab. (23rd October 2018) - Conte, B; Fabi, A; Poggio, F; Blondeaux, E; Dellepiane, C; D'Alonzo, A; Staiano, A; Buono, G; Arpino, G; Magri, V; Naso, G; Presti, D; et al.