P105 The MAGIC survey in HR+, HER2− breast cancer (BC): when might multigene assays be of value?. (March 2015) - Aapro, M.; De Laurentiis, M.; Linderholm, B.; Mamounas, E.; Markopoulos, C.; Martin, M.; Neven, P.; Rea, D.; Rouzier, R.; Thomssen, C.