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Table 1 Demographic and pathological features of patients

From: Clinical impact of PD-L1 expression in triple-negative breast cancer patients with residual tumor burden after neoadjuvant chemotherapy

Patients characteristics

N = 50 (%)

Median age

47.5 (min-maks; 24–76)

 Premenopausal

23 (46%)

 Postmenopausal

27 (54%)

Family history

 Yes

6 (12%)

 No

44 (88%)

Clinic T

 T1

3 (6%)

 T2

18 (36%)

 T3

7 (14%)

 T4

22 (44 %)

Clinic N

 N0

2 (4 %)

 N1

30 (60 %)

 N2

11 (22 %)

 N3

7 (14 %)

Pathological T

 T1

22 (44%)

 T2

16 (32%)

 T3

9 (18 %)

 T4

3 (6 %)

Pathological N

 N0

17 (34%)

 N1

14 (28%)

 N2

9 (18%)

 N3

10 (20%)

Surgical procedures

 Modified radical mastectomy

31 (62%)

 Mastectomy and SLNB (+) and ALND

5 (10%)

 Mastectomy and SLNB (−)

3 (6%)

 BCS &ALND

3 (6%)

 BCS &SLNB (+) and ALND

4 (8%)

 BCS& SLNB (−)

4 (8%)

Pathological findings

Invasive ductal carcinoma

39 (78%)

Invasive lobular carcinoma

3 (6%)

Metaplastic

6 (12%)

Invasive ductal carcinoma+ invasive lobular carcinoma

1 (2%)

Undifferentiated carcinoma

1 (2%)

  1. BCS breast conserving surgery, SLNB sentinel lymph node biopsy, ALND axillary lymph node dissection