Studying Biomarkers in Nipple Fluid, Urine, and Blood Samples From Women With Newly Diagnosed Ductal Carcinoma In Situ or Stage I or Stage II Breast Cancer and in Women at Risk of Developing Breast Cancer
Status: COMPLETED
Study type: OBSERVATIONAL
Conditions: Breast Cancer
Interventions: OTHER: high performance liquid chromatography|OTHER: laboratory biomarker analysis|OTHER: mass spectrometry|OTHER: medical chart review|PROCEDURE: evaluation of cancer risk factors
Sponsor: Mayo Clinic