OS	overall survival
DFS	disease-free survival
RFS	recurrence-free survival
IRB	Institutional Review Board
AJCC	American Joint Committee on Cancer
RECIST	Revised Response Evaluation Criteria In Solid Tumors
BCS	breast-conserving surgery
MRM	modified-radical mastectomy
TM	total mastectomy
SLNB	sentinel lymph node biopsy
ALND	axillary lymph node dissection
HR	hazard ratio
CI	confidence interval