IL4I1 expression was upregulated in 22 tumor types: BLCA, BRCA, CESC, CHOL, COAD, DLBC, ESCA, GBM, HNSC, KIRC, KIRP, LUSC, LUAD, OV, PAAD, READ, SKCM, STAD, THCA, THYM, UCEC, and UCS. Here, IL4I1 is linked to neoplasm.