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Table 1 Clinicopathological parameters

From: Determination of HER2 phosphorylation at tyrosine 1221/1222 improves prediction of poor survival for breast cancer patients with hormone receptor-positive tumors

Parameter n %
World Health Organization diagnosis   
   Invasive ductal 230 86
   Invasive lobular 32 12
   Ductal with ductal carcinoma in situ 2 1
   Unknown 4 1
   Total 268  
Tumor grade   
   1 62 27
   2 103 45
   3 63 28
   Total 228  
Tumor size   
   <2 cm 85 32
   2 to 5 cm 161 60
   >5 cm 22 8
   Total 268  
Nodal status   
   0 22 8
   1 to 3 149 56
   ≥4 97 36
   Total 268  
Receptor status (estrogen receptor or progesterone receptor)   
   Negative 1 0
   Positive 267 100
   Total 268  
HER2   
   Negative 246 92
   Positive 22 8
   Total 268  
Recurrence   
   No 179 67
   Yes 89 33
   Total 268  
Death   
   No 146 54
   Yes 122 46
   Total 268  
  1. Tumor grade was scored according to Bloom and Richardson. HER2 was analyzed by standard testing (that is, the HercepTest™), followed by fluorescence in situ hybridization analysis of the cases scoring 2+.