FLT PET Imaging for Cervical Cancer

Inclusion Criteria: * Ability to understand and willingness to sign a written informed consent document. * Histologically confirmed stage IB2, IIA, IIB, IIIB, and IVA squamous cell carcinoma of the cervix. * Scheduled to receive chemo-radiation for oncologic treatment. * Karnofsky of at least 60 at time of screening * Life expectancy of at least 6 months. * Leukocytes at least 3,000/microL * absolute neutrophil count at least 1,500/microL * platelets at least 100,000/microL * total bilirubin at maximum 1.0 mg/dL (UIHC limit of normal) * either ALT or AST less than 2.5 times the upper limit of normal * creatinine less than 1.5 times the upper limit of normal * non-pregnant, non-nursing, willing to use contraception Exclusion Criteria: * oncology research protocol requiring full pelvic radiation (i.e., 4-field box technique) or experimental chemotherapy * uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with the study requirements. * subjects taking nucleoside analog medications such as those used as antiretroviral agents. * patients who have undergone hysterectomy or will have a hysterectomy as part of their cancer therapy.