<prompt> Indication of adjuvant radiotherapy in Ca endometrium isare:a Cervical involvementb Lymph node involvement c Carcinoma in situd Papillary serous tumore Estrogen receptor positiveabcbcacdbcd  <response>: Indications of adjuvant radiotherapy:Extrauterine extension.Lower uterine or cervical involvement.Papillary serous or clear cell histology.Poor histologic differentiation Grade Ill.Myometrial penetration greater than 12 of thickening.Pelvic node involvement.Tumor positive for estrogen receptors suggest well differentiated disease, So no adjuvant radiotherapy is recommended 