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Table 3 Additional axillary lymph node metastasis rate according to radiologic response in patients with 1–2 sentinel lymph node metastases

From: Outcomes of sentinel node biopsy according to MRI response in an association with the subtypes in cN1–3 breast cancer after neoadjuvant systemic therapy, multicenter cohort study

Cohort

Treatment response

All patients

Number of non-metastatic SLN ≥ 3

GSH-YCC

Complete MRI response

0.0% (0 of 5)

0.0% (0 of 1)

Non-complete MRI response

36.7% (11 of 30)

20.0% (1 of 5)

Total

31.4% (11 of 35)

16.7% (1 of 6)

AMC-SMC

Complete MRI response

21.1% (4 of 19)

0.0% (0 of 8)

Non-complete MRI response

30.8% (24 of 78)

17.6% (6 of 34)

Total

28.9% (28 of 97)

14.3% (6 of 42)

  1. SLN sentinel lymph node, MRI magnetic resonance imaging