DEUP1 and metastatic malignant neoplasm in the lymph nodes: A similar significant association was seen between the lack of CCDC67 protein expression and high TNM stages III/IV, pathological grade II, and lymph node metastasis, with χ2 = 3.860, 5.548, and 7.275, respectively, and P < 0.05 in all cases (Table 2).