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: Unknown
[{'content': 'A 48-yrs-old male alcoholic with bilateral gynecomastia. Which physical findings has cirrhosis has the same pathogenesis as gynecomastia? \nSelect and explain. \nA. Caput medusa, B. Asterixis, C. Ascites, D. Spider angioma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Gynecomastia in male cirrhotics is caused by hyperestrinism secondary to the inability of the liver to metabolize estrogens. Hyperestrinism results in the development of female secondary sex characteristics, palmar erythema, spider angioma, and testicular atrophy caused by decreased testosterone.', 'role': 'assistant'}]