CDKN2A and laryngotracheoesophageal cleft: Noteworthily, around 70%, 31%, and 52% of HPV-DNA+/p16INK4a− OPC, OCC, and LC cases, respectively, were E6*I mRNA+ and 2.5%, 8.1%, and 14.3% of HPV-DNA+/p16INK4a+ OPC, OCC, and LC cases, respectively, were E6*I mRNA−.