MKI67 and metastatic malignant neoplasm in the lymph nodes: In addition, survival and recurrence rates differed according to lymph node metastasis (i.e., between those with and without metastasis), treatment (i.e., between those who received radical excision with versus without radiotherapy), and Ki-67 expression (i.e., between those with low and high expression) (P < 0.05).