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Table 1 A comparison of clinicopathological features between without SLNB and with SLNB groups

From: Evaluation of the metastatic status of lymph nodes identified using axillary reverse mapping in breast cancer patients

  Patients without SLNB (n=25) Patients with SLNB (n=35) P value
Age (years) 57.2±11.3 61.5±12.1 NS
BMI 23.2±4.2 23.5±5.4 NS
T    0.09
0 2 (8) 0 (0)  
1 6 (24) 17 (48.5)  
2 14 (56) 17 (48.5)  
3 2 (8) 0 (0)  
4 1 (4) 1 (3)  
N    <0.001
0 0 35 (100)  
1 20 (80) 0 (0)  
2 2 (8) 0 (0)  
3 3 (12) 0 (0)  
Clinical stage    <0.001
I 0 16 (46)  
IIA 8 (32) 18 (51)  
IIB 11 (44) 0  
IIIA 2 (8) 0  
IIIB 1 (4) 1 (3)  
IIIC 3 (12) 0  
Histology    0.33
IDC 23 (92) 35 (100)  
Others 2a (8) 0 (0)  
ER    0.10
Negative 7 (28) 3 (9)  
Positive 18 (72) 32 (91)  
HER-2    0.24
Negative 15 (60) 26 (74)  
Positive 10 (30) 9 (26)  
  1. Numbers in brackets are percentages.
  2. aThe histology of two patients’ breast cancer was invasive micropapillary carcinoma and apocrine carcinoma.