MKI67 and breast cancer: Prognosis of clinical-pathological subtypes in breast cancer by Fisher discrimination analysis of ER, PR, HER-2, and Ki-67 expression and radiomic features extracted from DW (diffusion-weighted) images obtained through MRI (radiomics is the process of converting digital medical images into sets of multi-dimensional data, and is involved in diagnosis, cancer detection, disease grading and prognosis/response to treatment evaluation) [79];