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Table 2 Correlation results for EGFR FISH and CISH GCN in patients responding to treatment

From: Epidermal Growth Factor Receptor (EGFR) gene copy number (GCN) correlates with clinical activity of irinotecan-cetuximab in K-RAS wild-type colorectal cancer: a fluorescence in situ (FISH) and chromogenic in situ hybridization (CISH) analysis

Case Number EGFR FISH GCN ≥ 2.6 EGFR CISH GCN ≥ 2.12
3 2.6 2.12
10 2.9 2.13
13 1.48 2.09
19 2.6 2.78
20 3.03 4.03
22 2.7 3.18
26 2.6 2.43
29 2.83 5.15
31 3.85 2.96
35 1.92 2.63
37 2.9 2.6
  1. In all responding patients evaluation of both EGFR FISH and CISH GCN was possible and an evident correspondence between results is observable in all but one case.