Background: SLNB has become the standard technique for staging axillary breast cancer but it is controversial about accuracy in patient who received neoadjuvant chemotherapy.
Objective: 1.identificaiton rate of SLNBx between before and after neoadjuvant chemotherapy
2.locoregional recurrence rate of SLNBx between before and after neoadjuvant chemotherapy in long term follow up
Methods: retrospective study from xx patient in Srinagarind hostpital who underwent SLNB in 2000-2015.
Results: SLN was identified in xx of the xx patient (%) in NAC group and xx of the xx patient(%)in NNAC group and locoregional recurrence in xx of the xx patient (%) in NAC group and xx of the xx patient (%) in NNAC group
Conclusions:the identification rate and locoregional rate do not differ between before and after neoaduvant chemotherapy