STC1 was highly expressed in cholangiocarcinoma (CHOL), COAD, glioblastoma (GBM), head and neck squamous cell carcinoma (HNSC), liver hepatocellular carcinoma (LIHC), pheochromocytoma and paraganglioma (PCPG), rectum adenocarcinoma (READ), stomach adenocarcinoma (STAD), and uterine corpus endometrial carcinoma (UCEC). Here, STC1 is linked to pheochromocytoma-paraganglioma.