Comparison of Prognosis Between Breast Conserving Therapy and Mastectomy in Early Breast Cancer: A Propensity Score Matching Analysis

In the whole cohort, there exist differences in recurrence patterns, while no differences in overall survival between WBI and mastectomy-alone group or WBI with RNI and PMRT group. However, WBI patients did show superior DMFS in patients with grade I/II tumor over mastectomy alone. WBI with RNI group had a higher RRFS rates compared with PMRT. Patients ≥ 40 years and with grade I/II tumor had better DFS and DMFS following WBI with RNI compared with PMRT. BCT is recommended to be therapeutic choice of priority in early breast cancer.