This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraceptives, Subject name: Gynaecology & Obstetrics
Which of the following benign tumor can be caused by prolonged use of oral contraceptive pills? 
Select and explain. 
A. Hepatic adenoma, B. Thyroid adenoma, C. Fibroadenoma, D. Myoma
A: Hepatic adenoma
Answer: A: Hepatic adenoma 
Explanation: Adenomas have been repoed with prolonged use of OC pills and though they are benign, rupture of a hepatoma can be fatal. Because the hormones are metabolized in the liver, chronic liver diseases and recent jaundice contraindicate the use of pills. Also, Gall bladder function may be adversely affected. Gall stones are repoed with OCP use, but not Gall bladder carcinoma