NALCN and neoplasm: In the present work, we examined the expression of NALCN, the prognostic implications of NALCN, the potential clinicopathological correlations, diagnostic accuracy of NALCN, its association with immune-related markers and tumor-infiltrating immune cells (TIICs), methylation level of NALCN, mutations and copy number alteration (CNA) in NALCN, and functional enrichment analysis for NALCN by data mining analyses.