FREM2 and uterine corpus endometrial carcinoma: We used the UALCAN database to analyze the expression levels of FREM2 in pan-cancer and found that FREM2 was mainly highly expressed in COAD, glioblastoma multiforme (GBM), stomach adenocarcinoma (STAD), and uterine corpus endometrial carcinoma (UCEC) (Figure 9A).