The gene expression box plots (Supplementary Figure S3) of FMR1-IT1 and PTOV1-AS2 were found in the Module of exploring associations between gene expression and tumor features in TCGA from TIMER, which showed that the expression of FMR1-IT1 and PTOV1-AS2 in HSNCC tissues is significantly higher than that in normal tissues. This evidence concerns the gene PTOV1 and neoplasm.