CDKN2A and non-small cell lung carcinoma: The frequencies of co‐deletion (loss) in the MTAP loss NSCLC were 98% for CDKN2A compared to 20% in MTAP intact NSCLC (p < 0.0001) and 95% for CDKN2B in MTAP loss compared to 6% MTAP intact NSCLC (p < 0.0001)].