Home » Diethylstibetorol (DES) is a carcinogen. Which organ of the body does it effect? Cancer MCQs Diethylstibetorol (DES) is a carcinogen. Which organ of the body does it effect? January 11, 2022 5 Views Q. Diethylstibetorol (DES) is a carcinogen. Which organ of the body does it effect? A. Vagina B. Heart C. Lung D. Kidney Answer: Vagina