This middle-aged woman has pelvic pain and vaginal discharge. What is your diagnosis based on these ultrasound images of the uterus?

endometrial polyp with degenerative changes

The location of the mass within the endometrial cavity is highly suggestive of an endometrial polyp. In addition the mass ( polyp) shows patchy hypoechoic areas suggestive of degenerative changes. The polyp is large and is seen to descend into the lower half of the endometrial cavity.

Daily Dx: Pelvic Pain with Discharge