Growth Factor Levels in the Blood of Patients Undergoing Radiation Therapy for Epithelial Cancer
Status: COMPLETED
Study type: OBSERVATIONAL
Conditions: Breast Cancer|Colorectal Cancer|Head and Neck Cancer|Lung Cancer|Prostate Cancer
Interventions: PROCEDURE: venipuncture|RADIATION: radiation therapy
Sponsor: Vanderbilt-Ingram Cancer Center
Collaborators: National Cancer Institute (NCI)