Screening of the data revealed eight TRGs (TGFB3, LTBP2, BMP2, TGFB1, ACVR1, CDK9, SLC20A1, and SMURF2) with non-zero coefficients, indicating their association with the prognosis of oral cancer patients (Fig. 4A, B). This evidence concerns the gene CDK9 and lip and oral cavity carcinoma.