METTL13 and neoplasm: Although METTL13 expression and gender (P = 0.483), age (P = 0.825), histologic grade (P = 0.872) or tumor size (P = 0.195) did not significantly correlate, METTL13 exhibited a significantly negative correlation with pT stage (P < 0.01) and metastasis (P < 0.01) (Fig. 1B–G).