Phase III Study Comparing 3D Conformal Radiotherapy and Conformal Radiotherapy IMRT to Treat Endometrial Cancer

Inclusion Criteria: * endometrial adenocarcinoma histologically proven * post op pelvic radiotherapy * age ≥ 70 * performance status ≤ 2 * MMSE ≥ 10 * life expectancy ≥ 3 months * social security covered * signed informed consent Exclusion Criteria: * type I stade IAGI and stade IAGIII without myometer infiltration, stade IIIc2 and IV adenocarcinoma * uterine sarcoma * surgery not in accordance with recommendations of Inca * previous uncontrolled or less than 5 years prior to diagnosis cancer * cons-indication for radiotherapy * diarrhea ≥ 3 per day * pelvic lymph nodes \> 1cm not resected during staging * previous sigmoid diverticulitis, crohn disease, systemic disease, ulcerative haemorrhagic, collagenosis, infectious peritonitis * IMRT other than tomotherapy * photon energy \< 10MV * patient under guardianship