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Table 2 Ras expression in various stages

From: The association between expressions of Ras and CD68 in the angiogenesis of breast cancers

Stage n Ras positive Ras negative Positive rate (%)
I 8 2 6 20.00
II 73 40 33 54.79
III 39 35 4 89.74
  1. Chi-square value = 19.22, P <0.0001.