Figure 2From: A polymorphism of EGFR extracellular domain is associated with progression free-survival in metastatic colorectal cancer patients receiving cetuximab-based treatment Survivals according to EGFR and KRAS genotypes. A/ Progression-free survival (PFS) (Left) and overall survival (OS) (Right) curves of patients with EGFR R521K variant and wild-type. B/ PFS (Left) and OS (Right) curves of patients with a KRAS-mutated and nonmutated tumor.Back to article page