FEZF1 and metastatic malignant neoplasm in the lymph nodes: As observed in Table 1, high level of FEZF1-AS1 was significantly correlated with tumor size (P = 0.003), TNM stage (P = 0.007) and lymph node metastasis (P = 0.001), rather than with age, gender, smoking and differentiation (P > 0.5).