Using a log-rank test, we found that PTPN1 mRNA expression was significantly associated with OS of patients with 19 cancer types, namely, BLCA, CESC, ESCA, GBM, HNSC, KICH, KIRC, LAML, LGG, LIHC, LUSC, MESO, OV, PAAD, SARC, SKCM, THCA, THYM, and UVM (Supplementary Figure S1). This evidence concerns the gene PTPN1 and cancer.