KRAS mutations are present in about 52% of colorectal cancer cases and are in the top 5 of mutated genes in 2 different databases, namely, the International Cancer Genome Consortium (ICGC) and The Cancer Genome Atlas (TCGA), along with APC, TP53, and TIN [1,23,24,25,26]. The gene discussed is KRAS; the disease is colorectal cancer.