TERT and laryngotracheoesophageal cleft: The present meta-analysis included data from genome-wide association studies and case-control studies reporting the association of the TERT-CLPTM1L rs4975616 (A >G) polymorphism with LC to date, with the aim of clarifying the association of the rs4975616 polymorphism with the risk of developing LC and the differences of this association among patients with different ethnicities (Caucasians and Asians), different subtypes of LC, and different smoking status.