SLC31A1 and laryngotracheoesophageal cleft: The findings of univariate Cox regression and the Kaplan-Meier analysis indicated that nine CRG (MTF1, CDKN2A, ATP7A, DLD, LIPT1, SLC31A1, PDHB, DBT, and DLAT) had prognostic significance in LC patients (MTF1, CDKN2A, ATP7A, DLD, LIPT1, SLC31A1, PDHB, DBT, and DLAT) (Figure 2(a)).