Histologic malignancy grading of the primary tumour as a prognostic factor in breast cancer.
D001943:Breast Neoplasms / Q000175:diagnosis* / Q000453:epidemiology / Q000473:pathology* / Q000601:surgery; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis / Q000175:diagnosis / Q000473:pathology; D008408:Mastectomy; D009364:Neoplasm Recurrence, Local / Q000453:epidemiology; D011379:Prognosis; D011446:Prospective Studies