KRAS and colonic neoplasm: For example, KRAS G12D and G12V were reported to occur in 6.9% and 8.2% of colon tumors described in the COSMIC database but were detected in 48.6% and 51.4% of colon tumors analyzed by ACB‐PCR, which has a sensitivity of 10−5 (Parsons and Myers 2013b).