title: [The grading of invasive breast cancer according to Elston and Ellis].
authors.forename: H
authors.initials: H
authors.lastname: Stein
mesh_terms: D001943:Breast Neoplasms / Q000145:classification* / Q000473:pathology*; D005260:Female; D006801:Humans; D009361:Neoplasm Invasiveness; D009367:Neoplasm Staging / Q000379:methods*