Pilot Study of Biomarkers for Radiation Therapy

Exclusion Criteria

• •prior history of chemotherapy given within 6 months before enrollment.
• •prior radiotherapy or radionuclide treatment and/or brachytherapy within 6 months prior to enrollment.
• •unwillingness to comply with tests, protocol, or informed consent.
• •concurrent enrollment on any protocol that would require non-compliance with treatment procedures.
• •chemotherapy required within 2 hours following first dose of XRT.
• •PET scan done within 48 hours of first blood draw.
• •nuclear medicine exposure within 4 days prior to first draw.