CDKN2B and non-small cell lung carcinoma: For the RETfus+ and EGFR short variant mutation positive NSCLC cases (28 total cases), the top 7 co-altered genes with both RET and EGFR were TP53 (75.9%), CDKN2A (37.9%), MTAP (27.8%), NFKBIA (27.6%), CDKN2B (24.1%), NKX2-1 (24.1%) and CTNNB1 (20.7%).