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Table 1 Baseline characteristics of primary breast carcinomas (n = 25)

From: Enhancer of the rudimentary gene homologue (ERH) expression pattern in sporadic human breast cancer and normal breast tissue

Variable Categorization n analyzablea %
Clinico-pathologic data:    
Age at diagnosis    
  median 63.7 years (range 35–83 years)   
  <50 years 3 12
  = 50 years 22 88
Tumour stageb    
  pT1 10 40
  pT2 10 40
  pT3 3 12
  pT4 2 8
Lymph node statusb    
  pN0 12 48
  pN1 1 4
  pN2 8 32
  pN3 4 16
Histologic grade    
  G1 0 0
  G2 10 40
  G3 15 60
Histologic type    
  ductal 20 80
  lobular 3 12
  mixed ductal/lobular 1 4
  other 1 4
Immunohistochemistry (IHC):    
Estrogen receptor status    
  negative (IRSc 0–2) 5 20
  positive (IRS 3–12) 20 80
Progesterone receptor status    
  negative (IRS 0–2) 7 28
  positive (IRS 3–12) 18 72
HER2 IHC    
  unknown 2 8
  negative (0–1+) 19 76
  positive (2+–3+) 4 16
  1. a only female patients with primary, unilateral, invasive breast cancer were included
  2. b according to UICC: TNM Classification of Malignant Tumours. 6th edn (2002) Sobin LH, Wittekind CH (eds.) Wiley, New York.
  3. c IRS: immune-reactivity score