All are indications for post-operative radiotherapy in a case of Carcinoma Endometrium EXCEPT?

Ans. D. Tumor positive for estrogen receptorsa. Receptor positivity have no influence on postop radiotherapy.b. 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 receptorsc. The best prognostic factor of cancer endometrium, amongst others, is the Histological grading of the diseased. Other important predictors are:i. Depth of myometrial invasionii. Status of pelvic and para-aortic lymph nodesiii. Malignant cells in peritoneal washingsiv. Lymph vascular invasionv. Cervical invasion