1808 Treatment patterns for older patients with non-metastatic breast cancer in four European countries - preliminary data from a EURECCA international comparison. (September 2015) - Derks, M.; Kiderlen, M.; Hilling, D.E.; Bastiaannet, E.; Boelens, P.G.; Siesling, S.; Van Eycken, E.; Walsh, P.; Borras, J.M.; Audisio, R.A.; Poortmans, P.; Van de Velde, C.J.H.