The patient was characterised with selected clinical, anthropometrical features: BMI = 27.89 kg/m2, age = 61 years, she gave birth to two children, suffered from hypertension, T1c, N1, M0, stage IIA, invasive ductal carcinoma, high histological grade (G3) according to the Elston–Ellis classification, tumour diameter was 1.8 cm, molecular profile: ER/PR-HER2−; and proliferative index- Ki-67 = 10%, molecular subtype: basal-like subtype (BLBC). This evidence concerns the gene MKI67 and invasive ductal breast carcinoma.