Table 1 Nodal pathologic complete response in triple-negative/HER2 positive breast cancers, and in hormone receptor-positive and HER2 negative breast cancers.

From: Management of the axilla in T1-2N1 breast cancer

Study

No. of patients (stage)

HR positive/HER2 negative

TNBC

HER2 positive

Boughey 2013

756 (pN+)

21%

49%

65%

Kim 2015

415 (pN+)

29%

54%

49%

Montagna 2020

573 (pN+)

20%

44%

63.3%

Simons 2019

139 (pN+)

7.4%

44%

74%

  1. HR hormone receptor, N node, TNBC triple-negative phenotype, HER2 human epidermal growth factor receptor 2.