SIX2 and non-small cell lung carcinoma: SIX2 mRNA expression: NSCLC/normal: Begg’s test p = 1.000, Egger’s test p = 0.808; ADC/normal: Begg’s test p = 0.806, Egger’s test p = 0.577; III~IV/I~II: Begg’s test p = 0.386, Egger’s test p = 0.324; ADC-III~IV/ADC-I~II: Begg’s test p = 0.806, Egger’s test p = 0.405; OS of NSCLC: Begg’s test p = 0.371, Egger’s test p = 0.238; OS of ADC: Begg’s test p = 0.466, Egger’s test p = 0.415; RFS of NSCLC: Begg’s test p = 0.806, Egger’s test p = 0.980; RFS of ADC: Begg’s test p = 0.806, Egger’s test p = 0.996.