KMT2C and non-small cell lung carcinoma: A meta‐analysis of RNA‐seq data from The Cancer Genome Atlas (TCGA) Consortium has shown that KMT2C expression is downregulated in NSCLC in comparison with normal tissue, and reduced KMT2C expression in patients with NSCLC was correlated with DNA hypermethylation within a CpG island (chr7:152435133–152437025, assembly GRCh38/hg38, ENCODE) of the KMT2C proximal promoter [30].