MKI67 and metastatic malignant neoplasm in the lymph nodes: By comparing the clinicopathological information between high and low Ki-67 expression cohorts, the age (High vs. Low: 53.420 ± 9.606 vs. 55.842 ± 13.637, p = 0.264), tumor size (High vs. Low: 2.707 ± 1.390 vs. 2.497 ± 1.749, p = 0.480), Lymph node metastasis (High vs. Low, percentage of Yes: 44.444% vs. 36.842%, p = 0.559) and Lymphovascular invasion (High vs. Low, percentage of Yes: 22.222% vs 21.053%, p = 1.000) shown no significant differences.