Biomarkers in Tissue Samples From Patients With Ductal Breast Carcinoma in Situ
Status: COMPLETED
Study type: OBSERVATIONAL
Conditions: Breast Cancer
Interventions: GENETIC: RNA analysis|GENETIC: gene expression analysis|GENETIC: reverse transcriptase-polymerase chain reaction|OTHER: laboratory biomarker analysis
Sponsor: ECOG-ACRIN Cancer Research Group
Collaborators: National Cancer Institute (NCI)