PTPN6 and cancer: Cox regression analysis of the results from 33 types of cancer suggested that the ptpn6 expression significantly correlated with OS in 13 types of cancer, including BLCA, BRCA, CESC, KIRC, KIRP, LUAD, PAAD, READ, SARC, STAD, TGCT, THYM and UCEC ( Figure S1, all P < 0.05 ).