Figure 6From: 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 CISH EGFR GCN ≥ 2.12 (-------) and CISH EGFR GCN < 2.12 (———) (p = 0.95).Back to article page