Table 3.
Groups | Pre-NAC | ||||
---|---|---|---|---|---|
Low infiltration (n) | High infiltration (n) | Pearson chi-square value (PCR versus non-PCR) | p value | ||
CD163+ macrophages (n = 20) | Pathological complete response (PCR, n = 9) | 0 | 9 | 8.811 | 0.003∗ |
Nonpathological complete response (non-PCR, n = 11) | 7 | 4 |
ALNs: axillary lymph nodes; LLABCs: large and locally advanced breast cancers; NAC: neoadjuvant chemotherapy; ∗statistically significant.