Figure 3From: 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 Overall survival (OS) of colorectal cancer patients showing FISH EGFR GCN ≥ 2.6 (-------) and FISH EGFR GCN < 2.6 (———) (p = 0.2).Back to article page