191PD_PR9 weeks versus 1 year adjuvant trastuzumab for HER2+ early breast cancer: Subgroup analysis of the ShortHER trial allows to identify patients for whom a shorter trastuzumab administration may have a favourable risk/benefit ratio. (23rd October 2018) - Conte, P F; Guarneri, V; Bisagni, G; Piacentini, F; Brandes, A A; Cavanna, L; Giotta, F; Aieta, M; Gebbia, V; Frassoldati, A; Musolino, A; Garrone, O; et al.