Overall, 1015 patients (41.2%) had a CRC with a KRAS variant, 81 (3.3%) had an NRAS variant (6 [0.2%] also had a KRAS variant), and 344 (13.9%) had a BRAF variant (2 [0.1%] also had a RAS gene variant). The gene discussed is NRAS; the disease is colorectal carcinoma.