CREBBP and metastatic malignant neoplasm in the lymph nodes: The up-regulation of CBP and RFPL3 had no significantly association with patient's gender (P = 0.554, χ2 tests), age (P = 0.861, χ2 tests), T classification (P = 0.179, χ2 tests) and lymph node metastasis (P = 0.075, χ2 tests).