TRIM33 and laryngotracheoesophageal cleft: By the detection of expression of TIF1γ protein in 60 pairs of LC tissues and matched paracancerous tissues using IHC staining, the positive rate of TIF1γ protein in LC cancer tissues was shown 83.33% (50/60), which was significantly higher than 25.00% (15/60) in matched paracancerous tissues (P<0.01).