NNMT expression was significantly associated with the TNM stage in adrenocortical carcinoma (ACC), BLCA, BRCA, esophageal carcinoma (ESCA), KIRC, ovarian serous cystadenocarcinoma (OV), STAD, testicular germ cell tumors (TGCT), and THCA. Here, NNMT is linked to adrenal cortex carcinoma.