Finally, there was no relationship between ADRA2C expression level and prognosis of BLCA, BRCA, CESC, CHOL, COAD, DLBC, ESCA, esophageal adenocarcinoma (ESAD), GBM, HNSC, KICH, KIRC, LAML, LGG, LIHC, LUAD, LUSC, mesothelioma (MESO), oral squamous cell carcinoma (OSCC), OV, PAAD, PCPG, PRAD, READ, sarcoma (SARC), SKCM, STAD, TGCT, THCA, THYM, UCEC, and UCS. Here, ADRA2C is linked to bladder transitional cell carcinoma.