Research Article
PD-L1 Expression in TNBC: A Predictive Biomarker of Response to Neoadjuvant Chemotherapy?
Table 1
Clinicopathological features of the study population.
| Characteristics | Number of patients (%) |
| Age (y) | | ≤50 | 30 (55%) | >50 | 24 (45%) | Pre-NACT tumor size (cT) | | ≤2 cm | 7 (13%) | >2 cm | 47 (87%) | Pre-NACT nodal status (cN) | | Positive | 24 (45%) | Negative | 30 (55%) | Histotype | | Ductal | 51 (94%) | Lobular | 1 (2%) | Others | 2 (4%) | Nuclear grade | | Grades 1-2 | 0 | Grade 3 | 54 (100%) | Ki-67 | | <50% | 14 (26%) | ≥50% | 40 (74%) | Post-NACT surgery | | Mastectomy | 30 (55%) | Segmental mastectomy | 24 (45%) | Complete pathological response (pCR) to NACT | 19 (35%) |
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