This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Medicine
[{'content': 'Which of the following finding is not suggestive of intrinsic hepatic fibrosis: \nSelect and explain. \nA. Bulging flanks, B. Collateral flow toward umbilicus, C. Eveed umbilicus, D. Venous hum', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In caput medusa the blood flows away from the umbilicus and is suggestive of poal hypeension. The increased flow results in a venous hum. The abdominal distention due to ascites explains flank fullness and eveed umbilicus.', 'role': 'assistant'}]