title: The clinical significance of tumor progression: breast cancer as a model.
authors.affiliation: Department of Radiation and Cellular Oncology, The University of Chicago, Illinois 60637, USA.
authors.forename: S
authors.initials: S
authors.lastname: Hellman
authors.forename: R
authors.initials: R
authors.lastname: Heimann
mesh_terms: D001943:Breast Neoplasms / Q000473:pathology / Q000503:physiopathology* / Q000628:therapy; D018450:Disease Progression; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008327:Mammography; D009367:Neoplasm Staging; D011379:Prognosis