<qa>  What is the established way of predicting axillary nodal metastasisSentinel lymph node biopsySLNB is an established way of predicting axillary nodal metastasis in early breast cancer. We aim to determinethe,in a prospective randomized, controlled trial, effect of sentinel lymph node biopsy with para-sentinel lymph nodeSLN dissection versus sentinel lymph node biopsy without para-sentinel lymph node dissection on outcomes after breast surgery. 