Regarding anatomopathological characteristics of the population of the study, it was observed that 74.4% had early-stage/intermediate type, 82.3% had invasive ductal histological type, tumor size > 2 cm (54.2%), non-involved lymph nodes (50.9%), histological grade 2 (37.7%), and Ki-67 < 25% (48.1%) (Table 2). Here, MKI67 is linked to neoplasm.