GPN1 and lung adenocarcinoma: The results showed that in esophageal carcinoma, HNSC, KIRC, KIRP, HCC, lung adenocarcinoma (LUAD), PAAD, thymic carcinoma, sarcoma, and uterine corpus endometrial carcinoma (UCEC), higher expression of GPN1 was associated with poor prognosis (Figure 3A).