Given (i) the high potential of less cardiotoxic regimen including liposomal formulations for anthracyclines or excluding anthracyclines and (ii) the wish to capture the whole population to depict the heterogeneity of ageing from 70, adjuvant chemotherapy (Arm B) will be left to the choice of investigator amongst 3 standard regimen of same duration, 4 cycles given every 3 weeks + primary prophylactic GCSF: