Comparison of Pelvic Lymphadenectomy Versus Isolated Sentinel Lymph Node Biopsy Procedure for Early Stages of Cervical Cancers : a Multicenter Study With Evaluation of Medico-economic Impacts

Inclusion Criteria: * Women 18 years of age or older, * Absence of contraindication to laparoscopy, * Uterine cervical carcinoma (every histological type except neuroendocrine), * Stage IA1 with lymphatic tumor space involvement (LVSI) or IA2 diagnosed on cervical conization; or stage IA2, IB1 or IIA detected by clinical examination, confirmed by biopsy and measured by the MRI, the highest diameter being lower to 4 cm (a preoperative brachytherapy is allowed for tumors 2 to 4 cm in diameter), * Negative pregnancy test for women able to procreate, * Having the French National Social Security * Signed informed consent Exclusion Criteria: * Neuroendocrine carcinoma, * In situ carcinoma or stage IA1 without LVSI, * Maximal tumoral diameter measured by MRI more than 4 cm, * Stage IB1 by "down-staging", * Stage IB2, IIB to IVB, including those who had a response to neoadjuvant treatment (chemotherapy or RT + chemotherapy) , * Presence of distant metastases, * Progression of the cervical cancer or recurrence, * History of pelvic lymphadenectomy, * Other cancer diagnosed during the course of treatment, * Contraindication to the injected products : allergy known to Patent Blue or rhenium sulfide, * History of severe allergy (history of Quincke's edema, anaphylactic shock), * Patient who does not understand, speak or write the French language, * Pregnant woman