NKX6-2 and neoplasm: Univariate logistic regression of TCGA KIRC methylation data from 282 tumor tissues, including 232 M0 and 52 M+ tumors, identified three loci annotated for NKX6-2 (cg06082548, cg01384488, and cg19701540) that were associated with the state of distant metastasis in patients.