KRAS and neoplasm: Median PFS was 7.2 months (95%CI 6.3-8.8) for patients with wild-type KRAS tumor and 6.6 months (95%CI: 5.1-7.6) for those with mutant tumor (Figure 2B) (unadjusted HR = 1.24, 95%CI: 0.92-1.67 P = 0.164; adjusted HR = 1.32, 95%CI: 0.96-1.82 P = 0.092).