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Table 4 HER2 status determined on TMA (SP3, 4B5 and mono color SISH)

From: Determining sensitivity and specificity of HER2 testing in breast cancer using a tissue micro-array approach

Total complete results 1,020 (84.3%)
Negative 932 (91.4%)
Positive 80 (7.8%)
Discordant results 8 (0.8%)
Incomplete results 190 (15.7%)
Total number of cases 1210 (100%)
  1. HER2, human epidermal growth factor receptor 2; SISH, silver in situ hybridization; TMA, tissue micro-array.