HLA-C and cutaneous melanoma: Additionally, we can found NALCN was positively correlated with MHC-related genes in LIHC, LUSC, OV, PAAD, PRAD, TGCT, and THCA, while negatively correlated with MHC-related genes in ACC, CESC, GBM, KIRC, LGG, MESO, skin cutaneous melanoma (SKCM) (Figure 7F).