<prompt> A 56 year old women presents with post-menopausal bleeding. Her Transvaginal scan shows endometrial thickness of 8mm. Endometrial biopsy shows moderately differentiated adenocarcinoma cells. Which of the following is most appropriate staging investigationCT - Scan of PelvisChest X-rayMRI scan of PelvisHysterosalpingography  <response>: MRI scan is used to determine extent of tumor for staging, so as to plan surgery 