Effect of Surgery, Radiation Therapy, Chemotherapy, and Hormone Therapy on Biomarkers in Women With Stage I, Stage II, Stage III Breast Cancer, or Ductal Carcinoma In Situ That Can Be Removed By Surgery
Status: COMPLETED
Study type: OBSERVATIONAL
Conditions: Breast Cancer
Interventions: DRUG: chemotherapy|DRUG: endocrine therapy|GENETIC: DNA methylation analysis|GENETIC: protein analysis|OTHER: laboratory biomarker analysis|OTHER: questionnaire administration|PROCEDURE: adjuvant therapy|PROCEDURE: conventional surgery|RADIATION: radiation therapy
Sponsor: Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Collaborators: National Cancer Institute (NCI)