Among the BCSs, there were significant differences in age (P = 0.021), menopausal status (P < 0.001), tumor size (P < 0.001), nodal stage (P < 0.001), grade (P < 0.001), LVI (P = 0.005), and Ki-67 (P < 0.001). Here, MKI67 is linked to neoplasm.