Of the remaining 247 eligible patients, 187 (76.8%) had wild-type KRAS tumor, whereas 60 (24.3%) had a tumor with a mutated KRAS. Nine different types of KRAS mutations were identified and the three most common were G12C (43.3%), G12V (23.3%) and G12D (10.0%) as reported in Table 1. This evidence concerns the gene KRAS and neoplasm.