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Table 2 Clinico-pathological characteristics of the breast cancer patients

From: ESR1gene promoter region methylation in free circulating DNA and its correlation with estrogen receptor protein expression in tumor tissue in breast cancer patients

Characteristic   Cases % of total
N = 110
Histological type    
  Invasive ductal carcinoma 82 74.5
  Invasive lobulillar carcinoma 10 9
  Invasive mixed carcinoma 7 6.3
  Others 11 10
Histological grade    
  Grade I 20 18.7
  Grade II 40 37.4
  Grade III 35 32.7
  Unknown 12 11.2
Pathological T    
  T1 64 58
  T2 43 39
  T3 3 2.7
Pathological N    
  N0 75 68
  N1 35 32
  N2 0 0
Luminal phenotype    
  Luminal A 39 36.4
  Luminal B 22 20.5
  Triple Negative 15 14
  Her2-neu 10 9.3
  Unknown 21 19.6