ESTRO 2021 Abstract Book

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ESTRO 2021

List of abbreviations :cT: Clinical tumor stage; cN: Clinical nodal stage; ypT: yield Pathological tumor stage ; ypN: yield Pathological nodal stage; HER2 = human epidermal growth factor 2; SNL = sentinel node; ECE = extensive extraductal component; LVI =lymphovascular invasion Figure 1 : Area under the receiver operating characteristics curve (ROC) illustrating the impact of risk factors in the prediction of axillary nodal status after neoadjuvant systemic therapy