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
Which of the following is the most common presenting symptom of non-cirrhotic portal hypertension 
Select and explain. 
A. Chronic liver disease, B. Ascites, C. Upper gastrointestinal bleeding, D. Encephalopathy
C: Upper gastrointestinal bleeding
Answer: C: Upper gastrointestinal bleeding 
Explanation: Chronic liver disease, ascites and encephalopathy are all features of cirrhotic liver.
Non-cirrhotic portal hypertension presents most commonly with variceal bleeding