Figure 2
![Figure 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1471-2407-13-599/MediaObjects/12885_2013_Article_4212_Fig2_HTML.jpg)
The Kaplan-Meier survival curve for patients with metachronous mCRC. A. Overall survival stratified by EGFR expression. B. Disease-free survival stratified by EGFR expression. C. Overall survival stratified by KRAS mutation status. D. Disease-free survival stratified by KRAS mutation status. E. Overall survival stratified by wild-type KRAS, codon 12, and codon 13. F. Disease-free survival stratified by wild-type KRAS, codon 12, and codon 13.