DDX5 and metastatic malignant neoplasm in the lymph nodes: Higher O‐GlcNAcylation and DDX5 expression were not correlated with age, gender, or tumour location (P > 0.05, Table S2) but were significantly positively associated with lymph node metastasis, tumour size, and the American Joint Committee on Cancer (AJCC) status (P < 0.05, Table S2).