title: Cancer is heterogeneous.
authors.forename: Jean Marc
authors.initials: JM
authors.lastname: Guinebretiere
mesh_terms: D014408:Biomarkers, Tumor / Q000032:analysis* / Q000235:genetics; D001943:Breast Neoplasms / Q000737:chemistry* / Q000235:genetics / Q000473:pathology; D017046:Cost Savings; D003362:Cost-Benefit Analysis; D005260:Female; D015972:Gene Expression Regulation, Neoplastic; D006801:Humans; D007150:Immunohistochemistry / Q000191:economics; D009367:Neoplasm Staging; D011237:Predictive Value of Tests; D011379:Prognosis; D012333:RNA, Messenger / Q000032:analysis; D011960:Receptors, Estrogen / Q000032:analysis* / Q000235:genetics; D011980:Receptors, Progesterone / Q000032:analysis* / Q000235:genetics; D015203:Reproducibility of Results; D020133:Reverse Transcriptase Polymerase Chain Reaction / Q000191:economics
chemical_list: D014408:Biomarkers, Tumor; D012333:RNA, Messenger; D011960:Receptors, Estrogen; D011980:Receptors, Progesterone