MKI67 and neoplasm: According to univariate and multivariate Cox regression analyses, tumour size, Miller and Payne grade, pathological T stage, pathological TNM stage, core needle biopsy (ER status), post‐operative pathology IHC (molecular subtype, ER status, Ki‐67 status, TOP2A status), lymph vessel invasion, PLR, and SII were important factors of prognosis.