highly significantP <0.0001
These results were further confirmed in a follow-up analysis at 10 years, which found that the Recurrence Score continued to be a highly significant prognostic marker for recurrence in both N0 and N+ EBC ( P <0.0001). 29 Consistent results across multiple studies support the Recurrence Score as a prognostic indicator for DR for tamoxifen-treated patients with N+ EBC.