Task: Answer Verification
Input (English): Question: Do postmenopausal patients with endometrial cancer of type 1 have elevated serum estradiol levels in the ovarian vein?
Answer: The postmenopausal ovary is hormonally active, especially in patients with type 1 EC. The degree of ovarian stromal hyperplasia may (at least in part) contribute to the progression of type 1 EC, and MV may predict the level of E2 production from the ovaries in postmenopausal women.
Output (English): yes