Feasibility of Pet-scan at Day 1 of Brachytherapy for Patients With Cervical Cancer

Inclusion Criteria: * Patient suffering from a cervical cancer: * squamous-cell carcinoma or adenocarcinoma histologically proven * classified from FIGO 2009 IB2 to IVA stage * Age ≥ 18 years old * Examination by PET-scan and pelvic RMI realized at diagnosis * Examination by negative PET-scan remotely closed and at lymph node level * Surgical lymphadenectomy negative at paraaortic level * Treatment by external radiotherapy (doses between 45 Gy and 50.4 Gy in 1.8 Gy/fractions) and concomitant chemotherapy (at least 4 cures per weeks using platinum salt) done * Scheduled curative treatment by brachytherapy driven by RMI * Affiliation to the National Social Security System * With informed and signed consent before any procedure specific to the study Exclusion Criteria: * Performance status of WHO score \> 2 * Other histology than squamous cell carcinoma or adenocarcinoma * Metastatic patient or paraaortic node positive * Adjuvant radiochemotherapy after the first surgery * Dementia or psychiatric history * Kidney failure * Diabet * Chronic inflammatory bowel disease * Pelvic and/or vesicoureteral surgery history * Pelvic irradiation history * Other active neoplasia or \< 5 years old, except for basocellular carcinoma that can be locally treated * Contraindication to one of the following procedure : RMI, PET-scan, general anesthesia * Radiosensitive disease (Fragile X syndrome, Huntington's chorea, Xeroderma Pigmentosum, connective tissue disease) or signs of radiosensitivity. * Treatment with palliative intent * Pregnant or breastfeeding women * Patient Under guardianship or tutorship