PODXL and cancer: As for the subgroup analysis of sample size, PODXL expression was obviously related to the OS in patients with cancers both when sample size <300(HR=1.88, 95%CI=1.50-2.36, p<0.00001;I2=39%, p=0.13) and≥300(HR=1.62, 95%CI=1.20-2.18, p=0.002; I2=54%, p=0.09).