<prompt> All of the following are indications for postoperative radiotherapy in a case of Carcinoma Endometrium except not related - surgeryMyometrial invasion 12 thicknessPositive lymph nodesEndocervical involvementTumour positive for estrogen receptors  <response>: As far as receptor status is concerned, the best correlation is that of a good prognosis with high progesterone receptors rather than a poor prognosis with high estrogen receptors. The best prognostic factor of cancer endometrium, amongst others, is the Histological grading of the diseaseOther impoant predictors are: Depth of myometrial invasion Status of pelvic and para-aoic lymph nodes Malignant cells in peritoneal washings Lymph-vascular invasion Cervical invasion 