MKI67 and neoplasm: The median tumor size was significantly larger for high Ki-67 and mitotic groups than for low Ki-67 and mitotic groups (28.3 mm vs. 15.0 mm, p = 0.012 for the Ki-67 proliferative index; 57.9 mm vs. 15.3 mm, p = 0.004 for the mitotic count, respectively).