Association with clinical data was found in AC between high-level Ki67 staining and high tumor stage (P = 0.001), presence of lymph node metastasis (P = 0.009), high UICC stage (P = 0.001) and poor grading (P = 0.005, Table 1). The gene discussed is MKI67; the disease is metastatic malignant neoplasm in the lymph nodes.