FABP5 and metastatic malignant neoplasm in the lymph nodes: The expression of FABP5 was correlated with the lymph node metastasis (p = 0.032), invasion depth (p = 0.041), and AJCC stage (p = 0.013), while no association was seen with age, gender, ethnicity, vascular invasion, nerve invasion, hematogenous metastasis, and postoperative treatment in ESCC (p > 0.05).