This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': "All are true regarding gynaecomastia, EXCEPT -a) May be seen in Addison' s diseaseb) Usually unilateral in young malesc) Acini are not involvedd) Bilaterality is due to endocrinopathy \nSelect and explain. \nA. ac, B. ab, C. ad, D. bc", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]