Skip to main content

Table 1 Factors associated with ARM node metastases

From: Using the axillary reverse mapping technique to screen breast cancer patients with a high risk of lymphedema

CharacteristicARM positive (n = 9)ARM negative (n = 21)P value
n%n%
Age, years    1.000
 ≥ 50666.71466.7 
 < 50333.3733.3 
cT stage    0.188
 T1111.1838.1 
 T2777.81257.1
 T300.014.8
 T4111.100
cN stage    0.093
 N0222.214.8 
 N1333.31571.4
 N2222.2419.0
 N3222.214.8
Histological type    0.128
 Ductal666.7838.1 
 Lobular111.100
 Mixed222.21152.4
 Unknown0029.5 
ER status    0.300
 Positive888.921100 
 Negative111.100 
PR status    0.418
 Positive444.41466.7 
 Negative555.6733.3 
HER2 status    0.666
 Positive333.3523.8 
 Negative666.71676.2 
Ki-67 status    0.229
 Positive777.81047.6 
 Negative222.21152.4 
Neoadjuvant therapy    1.000
 No666.71571.4 
 Yes333.3628.6 
Axillary surgery    0.204
 SLNB+ALND111.1942.6 
 ALND888.91257.4 
  1. cT clinical tumour, cN clinical lymph node, ER oestrogen receptor, PR progesterone receptor, Her-2 human epidermal growth factor receptor 2, SLNB sentinel lymph node biopsy, ALND axillary lymph node dissection, ARM axillary reverse mapping