Genetic Susceptibility to Radiation-Induced Skin Reactions in Racial/Ethnic Groups of Patients With Breast Cancer

DNA analysis

gene expression analysis

enzyme-linked immunosorbent assay

flow cytometry

laboratory biomarker analysis

questionnaire administration

adjuvant therapy

assessment of therapy complications

quality-of-life assessment

3-dimensional conformal radiation therapy

breast irradiation

external beam radiation therapy

hypofractionated radiation therapy

intensity-modulated radiation therapy

whole breast irradiation