STING1 and neoplasm: TCGA analysis of the Illumina Methylation 450k database shows STING promoter hypermethylation in AC (0.15 ± 0.13 tumor vs. 0.05 ± 0.02 normal, n = 422) and SCC (0.23 ± 0.16 tumor vs. 0.04 ± 0.03 normal, n = 359).