Multiple choice Mutation in the RET oncogene is associated with increased risk of _____________. colon cancer medullary thyroid cancer endometrial cancer prostate cancer Reveal answer Fill a bubble to check yourself B Correct answer Explanation Yes, it is the correct answer. RET mutation is responsible for increased risk of medullary thyroid cancer, as well as multiple endocrine neoplasia 2, in which pheochromocytoma and parathyroid adenoma also occur.