P246 Risk assessment by St.Gallen 2013 recommendation and Oncotype DX®: results from the WSG PlanB trial. (March 2015) - Nitz, U.; Christgen, O. Gluz, H. Kreipe, M.; Clemens, R.E. Kates, M.; Kraemer, S.; Aktas, B.; Kuemmel, S.; Harbeck, N.