Locoregional Recurrence Following Breast Cancer Surgery in the Trastuzumab Era: A Systematic Review by Subtype.

Increasing evidence suggests that molecular subtype influences locoregional recurrence (LRR) of breast cancer. Previous systematic reviews that evaluated the quantitative influence of subtype on LRR predated the use of Trastuzumab. This study assessed the impact of subtype on LRR in a contemporary treatment era.