PTPN1 and cancer: In multiple cancer types, including BLCA, CHOL, LAML, LGG, LUAD, LUSC, MESO, OV, PAAD, STAD, TGCT, THCA, THYM, and UVM (Figure 5B; P < 0.05 for all), PTPN1 maintained a close relationship with the immune score.