METTL14 and cervical squamous intraepithelial neoplasia: The expression level of METTL14 in the chromosomal instability (CIN) subtype was the lowest, while METTL14 expression in genome stable (GS), hypermutated single nucleotide variants (HM-SNV) and hypermutated insertion-deletion (HM-indel) subtypes was higher than that in CIN (Figures 3H, I).