KRAS and metastatic neoplasm: KRAS subgroup analysis of clinical outcome in the context of location of metastatic disease revealed no difference in PFS between patients with only hepatic wtKRAS metastatic involvement (median PFS 12.9 months; 95% CI 11.6 - 14.2) compared to mtKRAS/hepatic subgroup (median PFS 12.1 months; 95% CI 10.2 - 14.0; p = 0.956).