RUNDC3A and metastatic malignant neoplasm in the lymph nodes: CTD‐2008L17.2 (P = 0.007), RP11‐547D24.1 (P = 0.018), RUNDC3A‐AS1 (P = 0.029) and RP3‐483K16.4 (P = 0.012) were associated with lymph node metastasis.