FSTL3 expression was elevated, notably in CHOL, COAD, GBM, HNSC, KIRC, KIRP, READ, STAD and THCA cancers; however, FSTL3 expression was decreased in KICH, LUAD, LUSC, PCPG, UCEC cancers. This evidence concerns the gene FSTL3 and gastric adenocarcinoma.