Table 1 Clinical pathological characteristics associated with NSLNs

Number of patients

n=50

n=22

Median age of patients (years)

median : 47 range: 32-80

median: 54 range: 32-76

Primary tumor size (cm)

median: 2.05 range: 0.30-7.00

median: 2.15 range: 0.80-7.00

Stage

I

5/50 (10%)

…

IIA

20/50 (40%)

4/22 (18.2%)

IIB

13/50 (26%)

4/22 (18.2%)

III

7/50 (14%)

9/22 (41%)

Unknown

5/50 (10%)

5/22 (22.7%)

Grade

I

8/50 (16%)

…

II

30/50 (60%)

8/22 (36.3%)

III

9/50 (18%)

9/22 (41%)

Unknown

3/50 (6%)

5/22 (22.7%)

Molecular subtype

Luminal A

23/50 (46%)

8/22 (36.3%)

Luminal B

10/50 (20%)

3/22 (13.6%)

HER2

2/50 (4%)

4/22 (18.2%)

Basal

3/50 (6%)

2/22 (9%)

Unknown

12/50 (24%)

5/22 (22.7%)

ER status

Positive

41/50 (82%)

15/22 (68.1%)

Negative

6/50 (12%)

7/22 (31.9%)

Unknown

3/50 (6%)

…

PR status

Positive

38/50 (76%)

13/22 (59%)

Negative

9/50 (18%)

9/22 (41%)

Unknown

3/50 (6%)

…

HER2/neu expression

Positive

12/50 (24%)

7/22 (31.8%)

Negative

26/50 (52%)

10/22 (45.5%)

Unknown

12/50 (24%)

5/22 (22.7%)