The expression levels of PTBP3 in tumours of BRCA, CESC, CHOL, COAD, ESCA, GBM, HNSC, LIHC, LUAD, LUSC, READ, STAD, and UCEC were higher than those in the corresponding adjacent normal tissues, whereas low expression was observed in KICH, KIRC, KIRP, and THCA. The gene discussed is PTBP3; the disease is neoplasm.