Identifying Genes That Predict Recurrence in Women With Breast Cancer Treated With Chemotherapy
Status: COMPLETED
Study type: OBSERVATIONAL
Conditions: Breast Cancer|Estrogen Receptor|Her-2|Pgr
Interventions: GENETIC: microarray analysis|GENETIC: protein expression analysis|OTHER: immunohistochemistry staining method|OTHER: laboratory biomarker analysis
Sponsor: Eastern Cooperative Oncology Group
Collaborators: National Cancer Institute (NCI)