However, RIPK4 could not stratify patients in the following clinical stage subgroups: IB2-IIB, no LN metastasis, grade I/II, tumor size (≤4 cm) and tumor size (>4 cm) (P = 0.682, P = 0.169, P = 0.952, P = 0.084 and P = 0.222, respectively). The gene discussed is RIPK4; the disease is neoplasm.