PTPN11 and laryngeal carcinoma: Subgroup analysis displayed that higher expression of SHP2 was significantly associated with shorter OS in pancreatic carcinoma (HR: 1.98; 95% CI, 1.17–3.37; P<0.001) and laryngeal carcinoma (HR: 2.84; 95% CI, 1.20–6.74; P = 0.02).